Temperatures in March
It's warm in March in Portsmouth with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 29°C. At night, you can expect temperatures between 23°C and 24°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Portsmouth in March. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of March
The month of March starts in Portsmouth with hot temperatures, averaging around 29°C during the day and nights close to 23°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-March
By mid-March, the average daytime temperature stays the same at 29°C, with nights close to 24°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of March
By the end of March, the average daytime temperature in Portsmouth will be around 29°C, with nights close to 24°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
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Precipitation in March
In March, there is an average of 126 mm of precipitation, spread over 16 days. The wind speed is around 5 Bft, mostly coming from the East.
Across the whole month, the average precipitation chance is 51% per day. Though it seems average, the weather’s variable. Some days have a lower chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in March for Portsmouth. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Portsmouth in March |
London | ||
|---|---|---|---|
 Average Temperature |
29°C | 11°C | |
 High Temp |
29°C | 14°C | |
| Low Temp |
28°C | 8°C | |
 Total Precipitation |
126 mm | 55 mm | |
| Rainy Days |
16 days | 9 days | |
February
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is March a good time to visit Portsmouth?
After some sun? Then March isn’t the best time to be in Portsmouth. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Portsmouth in March
With 32°C, Portsmouth hit the highest temperature in the last 10 years in March 2018. The lowest daytime temperature in this month was 25°C in 2017. The extreme night temperatures ranged from a low of 17°C to a high of 26°C.
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Daily Temperature in March in Portsmouth
This chart shows the average daily temperatures, both day and night, for each day in March in Portsmouth, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in March in Portsmouth
The chart below shows the average daily precipitation in March for Portsmouth, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for March, you can expect around 16 days of rain in Portsmouth.
Daily UV Index in March in Portsmouth
This chart shows the average daily UV index in March 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 March in Portsmouth Over the Years
This chart shows the average temperature in March in Portsmouth, measured in degrees Celsius, over the past years.
Total Precipitation in March in Portsmouth Over the Years
This chart shows the average precipitation in March in Portsmouth, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in March for Portsmouth
Click on a specific day in March for detailed info on the typical weather on that day in Portsmouth. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in March in Portsmouth
Have you been to Portsmouth in March?
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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
