United StatesThe weather in April in Portsmouth
It's cool in April in Portsmouth with an average temperature of 13°C. Temperatures this month range from a low of 9°C to a high of 18°C. At night, you can expect temperatures between 0°C and 7°C.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in April for Portsmouth, New Hampshire. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 31°C in 2017, Portsmouth reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was -4°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of -9°C to a highest value of 15°C.
Precipitation and snowfall
In April, there is an average of 94 mm of precipitation, spread over 13 days. Of the total precipitation, about 0,8 cm falls as snow in April. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in April for Portsmouth
Click on any day in April to get detailed info about the usual weather on that day in Portsmouth. Check out the historical temperatures and precipitation over the past 10 years on this day.
April weather comparison
| Portsmouth | New York | |
|---|---|---|
| Average temperature | 13°C | 17°C |
| Max. temperature | 18°C | 22°C |
| Min. temperature | 0°C | -5°C |
| Total precipitation | 94 mm | 81 mm |
| Rainy days | 13 days | 11 days |
| Total snowfall | 0,8 cm | 0,4 cm |
| Snowy days | 1 day | 1 day |
Start of April
The month of April starts in Portsmouth with cold temps, averaging around 11°C during the day and nights around 2°C.
Mid April
By mid-April, daytime temps rise to around 15°C, with nights around 5°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of April
By the end of April, the average daytime temperature in Portsmouth is around 14°C, while nighttime temps are about 6°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
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Temperature charts
These charts show the average temperatures in April in Portsmouth, New Hampshire. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in April in Portsmouth
Temperature in April in Portsmouth over the years
Precipitation charts
These charts show the average amount of precipitation in April in Portsmouth, New Hampshire. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in April in Portsmouth
Total precipitation in April in Portsmouth over the years
Daily Snowfall in April in Portsmouth
Snowfall in April in Portsmouth per year
Daily UV index in April in Portsmouth
This chart shows the average daily UV index in April in Portsmouth, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in April in Portsmouth
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Average weather in Portsmouth by month
Click on a month below to see detailed weather info for Portsmouth. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.