The rainy season comes twice a year in Portsmouth. Good. Average monthly Rainfall, Sunshine, Temperatures. Smog and pollution fill this area. July is the hottest month for Portsmouth with an average high temperature of 81.9°, which ranks it as warmer than most places in New Hampshire. Portsmouth is located near a large body of water (e.g., ocean, sea, or large lake). Hide explanation. Figure 1: Figure 1. Observed and projected changes (compared to the 1901–1960 average) in near-surface air temperature for New Hampshire.Observed data are for 1900–2014. Get the monthly weather forecast for Portsmouth, NH, including daily high/low, historical averages, to help you plan ahead. These average ocean temperatures for Portsmouth Harbor are calculated from several years of archived data. The bar chart below shows the average daily sunshine hours in Portsmouth. Average Weather in Portsmouth New Hampshire, United States. In Portsmouth, there are 4 comfortable months with high temperatures in the range of 70-85°. The highest monthly average temperature in Portsmouthfor July is 72 degrees The lowest monthly average temperature in Portsmouth for January is 27 degrees The most monthly precipitation in Portsmouth occurs in September with 8.5 inches The air quality index in Portsmouth is 26% better than the national average The graph below shows the daily range of temperatures for each month. Awful. Weather history for places in New Hampshire. Poor. Get the historical monthly weather forecast for Portsmouth, NH, US Warm days, with a little rain here and there. Based on weather reports collected during 1985–2015. In terms of rainfall, November is usually the wettest month in Portsmouth with 125mm on average. Good. July is the hottest month for Portsmouth with an average high temperature of 81.9°, which ranks it as warmer than most places in New Hampshire. The bar chart below shows the average monthly peak daytime temperatures at Portsmouth. Portsmouth is a city with a significant rainfall. In June, the average high-temperature rises, from an enjoyable 64°F (17.8°C) in May, to an agreeable 73°F (22.8°C). Excellent. May is in the spring in Portsmouth and is typically the 5th warmest month of the year. This section reports on the wide-area average surface temperature of that water. The graph below shows the average rainfall and number of rainy days per month. NH: 61.0 km fra Portsmouth; Average temperature per month. Even in the driest month there is a lot of rain. Find the best time to go to Portsmouth (New Hampshire). Expect maximum daytime temperatures to reach 28°C with low heat and humidity. Map showing location of Portsmouth (50.798990, -1.091250) Locations nearby Clicking on the hyperlinked "Recent Temperatures" will display station information for the location. Non-linked temperatures in the monthly columns are average water temperatures. Monthly: 1981-2010 normals Warm summers, but cold winters with some rain. The most pleasant months of the year for Portsmouth are June, August and July. The air is very clean, virtually no pollution. The climate here is classified as Cfb by the Köppen-Geiger system. The graph below shows the average wind speed. Portsmouth is a city with a significant rainfall. The average winter high temperature in late December and early January (typically the coldest times of the year) is just under freezing temperature at approximately thirty degrees. Explaination to the graph: Max temperature: Average max daily (24h) temperature per month Minimum temperature: Average minimum daily (24h) temperature per month Average temperature: Average daily (24h) temperature per month. Portsmouth, Hampshire, United Kingdom - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at Portsmouth, United Kingdom Annual Weather Averages Near Portsmouth. The most pleasant months of the year for Portsmouth are June, August and July. Average annual temperatures for cities, towns, parks and lakes throughout New Hampshire are listed below in degrees Fahrenheit and Celsius. In June, in Portsmouth, the average low-temperature is 55°F (12.8°C). Daytime maximum temperatures average around a cool 20°C (67°F), whilst at night 6°C (43°F) is normal. Portsmouth, NH climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's. The tables give the normals for maximum and minimum yearly temperatures based on weather data collected from 1981 to 2010. Portsmouth, NH Weather Calendar star_ratehome. Monthly averages Portsmouth Longitude: -82.9977, Latitude: 38.7317 Average weather Portsmouth, OH - 45662. In Portsmouth, the summers are warm; the winters are freezing, wet, and windy; and it is partly cloudy year round. There is more pollution than I'd like. (Complete List of Average Temperatures) Use the near real-time water temperature data with discretion, because they may contain errors. Climate and average weather for Portsmouth (New Hampshire), United States of America displayed in graphs. The average annual temperature in Portsmouth is 8.5 °C | 47.3 °F. There is a small amount of pollution. Be prepared with the most accurate 10-day forecast for Portsmouth, NH with highs, lows, chance of precipitation from The Weather Channel and Weather.com Not registered? Perfectly warm weather and not much rain. The graph below shows the average sea temperature. Monthly: 1981-2010 normals Portsmouth climate summary The Portsmouth lies on 12m above sea level The climate is cold and temperate. Station Data. The climate in Portsmouth during May can be summarized as mild and a little damp. How would you rate the weather in Portsmouth? Weather Sky Cond. The hottest time of year in Portsmouth is normally July. Sunday, December 27. To see the daily range of temperatures have a look at the temperature max / min chart below. Pease Air Force Base / Portsmouth: Enter Your "City, ST" or zip code : metric: D a t e Time (est) Wind (mph) Vis. Cold summers and winters with lots of rain. Even in the driest month there is a lot of rain. Station Data. A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy. Rainfall In Portsmouth, New Hampshire, during June, the rain falls for 11 days and regularly aggregates up to 3.1" (78mm) of precipitation. Air Dwpt 6 hour altimeter (in) sea … How would you rate the air quality in Portsmouth? Weather.com brings you the most accurate monthly weather forecast for with average/record and high/low temperatures, precipitation and more. Monthly average temperatures, rainfall, snow days & record high and low temperatures. Monthly averages Concord Longitude: -71.5023, Latitude: 43.2027 Average weather Concord, NH - 3301. Average monthly temperatures in Portsmouth (degrees centigrade and fahrenheit) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 0.5: 2: 6.7: 13: 19.1: 24.2: 27.3: 26.4 Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. The graph below shows the average relative humidity. Average ocean temperatures for Maine and New Hampshire are listed below for each month in degrees Fahrenheit and degrees Celsius.. During winter, the sea temperatures off northern New England are similar to those all along the coast as far south as Maryland. Averages are for Norfolk Naval Air Station, which is 7 miles from Portsmouth. Temperature (ºF) Relative Humidity Wind Chill (°F) Heat Index (°F) Pressure Precipitation (in.) Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Portsmouth area. Based on weather reports collected during 1985–2015. Historical Portsmouth weather info such as min/max temperature, precipitation/snow data as well as heating and cooling cost index also included. Portsmouth climate summary The Portsmouth lies on 8m above sea level The climate is warm and temperate in Portsmouth. Averages are for Pease Air Force Base / Portsmouth, which is 3 miles from Portsmouth. Poor. You can jump to a separate table for Southern and Northern New Hampshire.. Graph explanation. Thank you for reporting this station. The average temperature in Portsmouth is 10.4 °C | 50.8 °F. msn back to msn home weather records and averages. Get current weather conditions and up-to-date forecasts for Portsmouth, NH, and the surrounding Seacoast region of New Hampshire. ... Portsmouth, NH Monthly Weather. Recent Locations. Awful. Report Station. According to Köppen and Geiger, this climate is classified as Dfb. (mi.) Map showing location of Portsmouth (43.07176, -70.76255). Portsmouth, New Hampshire, USA - Average monthly weather - Detailed climate information with charts. 46 F Portsmouth International Airport at Pease Station | Report. These average ocean temperatures for Portsmouth are calculated from several years of archived data. Over the course of the year, the temperature typically varies from 19°F to 80°F and is rarely below 5°F or above 89°F. The average surface water temperature in Portsmouth is decreasing during November, falling by 4°F, … In Portsmouth, there are 4 comfortable months with high temperatures in the range of 70-85°. Click here to create an account…, The highest monthly average temperature in, The lowest monthly average temperature in Portsmouth for January is 27 degrees, The most monthly precipitation in Portsmouth occurs in September with 8.5 inches, The air quality index in Portsmouth is 26% better than the national average, The pollution index in Portsmouth is 98% better than the national average. Which month has the most rain in Portsmouth? Excellent. Map showing location of Portsmouth Harbor (43.077030, -70.712830) Locations nearby In the spring, there is a mild rainy season. Portsmouth Weather Forecasts. The average low temperature can get down in to the teens. Portsmouth, NH average temperature is 47.1F, which ranked #10 in New Hampshire. Sign up for our email newsletter by entering your email address. Annual Weather Averages Near Portsmouth. Newsletter by entering your email address ( in. cities, towns parks... 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