Temperatures in May
It's warm in May in Umatilla with an average temperature of 25°C. Temperatures this month range from a low of 22°C to a high of 29°C. At night, you can expect temperatures between 7°C and 14°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Umatilla 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 Umatilla with warm temperatures, averaging around 24°C during the day and nights close to 9°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-May
By mid-May, the average daytime temperature rises to around 26°C, with nights close to 11°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of May
By the end of May, the average daytime temperature in Umatilla will be around 28°C, with nights close to 12°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
Discover cheap trips to Umatilla 
Precipitation in May
In May, there is an average of 53 mm of precipitation, spread over 5 days. The wind speed is around 4 Bft, mostly coming from the South.
The precipitation chance averages 15% 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 Umatilla. 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.
Umatilla in May |
London | ||
|---|---|---|---|
 Average Temperature |
25°C | 18°C | |
 High Temp |
29°C | 21°C | |
| Low Temp |
22°C | 15°C | |
 Total Precipitation |
53 mm | 46 mm | |
| Rainy Days |
5 days | 8 days | |
April
UV index
The UV index is a maximum of 9 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 May a good time to visit Umatilla?
Want nice weather? Then May is a great time to be in Umatilla. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Umatilla in May
With 37°C, Umatilla hit the highest temperature in the last 10 years in May 2023. The lowest daytime temperature in this month was 13°C in 2023. The extreme night temperatures ranged from a low of 0°C to a high of 20°C.
Check out the climate of Umatilla for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for Umatilla and see what our partners have for you.
Daily Temperature in May in Umatilla
This chart shows the average daily temperatures, both day and night, for each day in May in Umatilla, 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 Umatilla
The chart below shows the average daily precipitation in May for Umatilla, 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 5 days of rain in Umatilla.
Daily UV Index in May in Umatilla
This chart shows the average daily UV index in May in Umatilla, 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 Umatilla Over the Years
This chart shows the average temperature in May in Umatilla, measured in degrees Celsius, over the past years.
Total Precipitation in May in Umatilla Over the Years
This chart shows the average precipitation in May in Umatilla, 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 Umatilla
Click on a specific day in May for detailed info on the typical weather on that day in Umatilla. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Umatilla
Have you been to Umatilla in May?
Share your weather experience in May in Umatilla.
Average Weather in Umatilla by Month
Click on a month below to see detailed weather info for Umatilla. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
