Temperatures in May
It's cool to moderate in May in Richardson with an average temperature of 17°C. Temperatures this month range from a low of 16°C to a high of 19°C. At night, you can expect temperatures between 8°C and 11°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Richardson in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Richardson with mild temperatures, averaging around 18°C during the day and nights close to 9°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-May
By mid-May, the average daytime temperature stays the same at 18°C, with nights close to 10°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of May
By the end of May, the average daytime temperature in Richardson will be around 18°C, with nights close to 11°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Precipitation in May
In May, there is an average of 23 mm of precipitation, spread over 6 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
The average precipitation chance is 20% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Richardson. 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.
Richardson in May |
London | ||
|---|---|---|---|
 Average Temperature |
17°C | 18°C | |
 High Temp |
19°C | 21°C | |
| Low Temp |
16°C | 15°C | |
 Total Precipitation |
23 mm | 46 mm | |
| Rainy Days |
6 days | 8 days | |
April
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is May a good time to visit Richardson?
Looking for sun and warm weather? Then May isn’t the best time to be in Richardson. The temperature is too low this month for a warm stay.
Temperature records for Richardson in May
With 30°C, Richardson hit the highest temperature in the last 10 years in May 2023. The lowest daytime temperature in this month was 9°C in 2022. The extreme night temperatures ranged from a low of 3°C to a high of 14°C.
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Daily Temperature in May in Richardson
This chart shows the average daily temperatures, both day and night, for each day in May in Richardson, 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 May in Richardson
The chart below shows the average daily precipitation in May for Richardson, 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 May, you can expect around 6 days of rain in Richardson.
Daily UV Index in May in Richardson
This chart shows the average daily UV index in May in Richardson, 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 May in Richardson Over the Years
This chart shows the average temperature in May in Richardson, measured in degrees Celsius, over the past years.
Total Precipitation in May in Richardson Over the Years
This chart shows the average precipitation in May in Richardson, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Richardson
Click on a specific day in May for detailed info on the typical weather on that day in Richardson. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Richardson
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Average Weather in Richardson by Month
Click on a month below to see detailed weather info for Richardson. 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 Richardson for all months at once
