Temperatures in May
It's warm in May in Keller with an average temperature of 29°C. Temperatures this month range from a low of 26°C to a high of 32°C. At night, you can expect temperatures between 14°C and 21°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Keller 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 Keller with hot temperatures, averaging around 29°C during the day and nights close to 17°C. Plenty of days with a chance of precipitation.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-May
By mid-May, the average daytime temperature stays the same at 29°C, with nights close to 19°C. The chance of precipitation is high during this period.
Temperatures vary between day and night, so it’s smart to wear layers.
End of May
By the end of May, the average daytime temperature in Keller will be around 30°C, with nights close to 21°C. There’s a significant chance of many days with precipitation.
Discover cheap trips to Keller 
Precipitation in May
In May, there is an average of 251 mm of precipitation, spread over 10 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
The average precipitation chance is 32% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Keller. 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.
Keller in May |
London | ||
|---|---|---|---|
 Average Temperature |
29°C | 18°C | |
 High Temp |
32°C | 21°C | |
| Low Temp |
26°C | 15°C | |
 Total Precipitation |
251 mm | 46 mm | |
| Rainy Days |
10 days | 8 days | |
April
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.
Is May a good time to visit Keller?
After some sun? Then May isn’t the best time to be in Keller. The temperature is pleasant, but there’s too much chance of rain this month.
The hurricane season in Keller runs from June to November.
Temperature records for Keller in May
With 37°C, Keller hit the highest temperature in the last 10 years in May 2022. The lowest daytime temperature in this month was 14°C in 2019. The extreme night temperatures ranged from a low of 4°C to a high of 26°C.
Check out the climate of Keller for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for Keller and see what our partners have for you.
Daily Temperature in May in Keller
This chart shows the average daily temperatures, both day and night, for each day in May in Keller, 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 Keller
The chart below shows the average daily precipitation in May for Keller, 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 10 days of rain in Keller.
Daily UV Index in May in Keller
This chart shows the average daily UV index in May in Keller, 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 Keller Over the Years
This chart shows the average temperature in May in Keller, measured in degrees Celsius, over the past years.
Total Precipitation in May in Keller Over the Years
This chart shows the average precipitation in May in Keller, 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 Keller
Click on a specific day in May for detailed info on the typical weather on that day in Keller. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Keller
Have you been to Keller in May?
Share your weather experience in May in Keller.
Average Weather in Keller by Month
Click on a month below to see detailed weather info for Keller. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
