Normal weather for Portsmouth in April
It's cool in April in Portsmouth with an average temperature of 13°C. Temperatures this month range from a low of 11°C to a high of 17°C. At night, you can expect temperatures between 5°C and 8°C.
In April, there is an average of 38 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the South.
Portsmouth in April |
New York | ||
|---|---|---|---|
 Average Temperature |
13°C | 17°C | |
 High Temp |
17°C | 22°C | |
| Low Temp |
11°C | 12°C | |
 Total Precipitation |
38 mm | 81 mm | |
| Rainy Days |
7 days | 11 days | |
Start of April
The month of April starts in Portsmouth with cool temps, averaging around 13°C during the day and nights around 6°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. During the day, go for a warm jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
Mid April
By mid-April, daytime temps rise to around 15°C, with nights around 7°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
Since it cools down at night, it’s a good idea to wear layers. During the day, choose a light jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
End of April
By the end of April, the average daytime temperature in Portsmouth is around 14°C, while nighttime temps are about 7°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Because temperatures drop in the evening, wearing layers is recommended. During the day, choose a light jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.
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UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Temperature records for Portsmouth in April
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March
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Daily Temperature in April in Portsmouth
This chart shows the average daily high and low temperatures in April for Portsmouth, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in April in Portsmouth
The chart below shows the average daily precipitation in April for Portsmouth, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for April, you can expect about 7 days of precipitation in Portsmouth.
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.
Temperature in April in Portsmouth Over the Years
This chart shows the average temperature in April in Portsmouth, measured in degrees Celsius, over the past few years.
Total Precipitation in April in Portsmouth Over the Years
This chart shows the average precipitation in April in Portsmouth, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate 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.
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.
Or check out the climate of Portsmouth for all months at once
