Climate of Umatilla
Umatilla has a semi-arid climate. It hardly rains here. The average annual temperature for Umatilla is 17° degrees and there is about 192 mm of rain in a year. It is dry for 222 days a year with an average humidity of 57% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 4°C and 32°C
- Night:the average nighttime temperature is between -2°C and 18°C
- Rain: it rains 106 days and there is a total of approximately 193 mm rainfall
- Snow: it snows an average of 10 days per year
- Sun hours: throughout the year there are 3194 sun hours
Maximum temperature: | between 4°C and 32°C |
Warmest month: | 32°C in July |
Coldest month: | 4°C in January |
Night temperature: | between -2°C and 18°C |
Dry days: | 249 days |
Days with rain: | 106 days |
Days with snow: | 10 days |
Total rain sum: | 193 mm |
Hours of sunshine: | 3194 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Umatilla.
Precipitation graph
This graph shows the average amount of rainfall per month for Umatilla.
Climate table of Umatilla
In this climate table you can see at a glance what the average weather per month is for Umatilla. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Umatilla might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 4 | 7 | 12 | 17 | 22 | 26 | 32 | 31 | 25 | 17 | 10 | 4 |
Night temp. (°C) | -2 | 0 | 3 | 6 | 10 | 13 | 17 | 18 | 14 | 9 | 3 | -2 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 24 | 26 | 25 | 14 | 13 | 13 | 5 | 7 | 7 | 18 | 16 | 25 |
Days with rain | 11 | 10 | 14 | 11 | 8 | 7 | 3 | 4 | 5 | 10 | 11 | 12 |
Days with snow | 2 | 3 | 1 | - | - | - | - | - | - | - | 1 | 3 |
Dry days | 18 | 15 | 16 | 19 | 23 | 23 | 28 | 27 | 25 | 21 | 18 | 16 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 5 | 5 | 8 | 10 | 11 | 12 | 12 | 12 | 11 | 7 | 6 | 5 |
Wind force (Bft) | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 2 |
UV-index | 2 | 2 | 3 | 4 | 5 | 6 | 7 | 6 | 5 | 4 | 2 | 2 |
Best time to visit Umatilla
The best time to visit Umatilla in the state of Oregon is from May through September. In this period you have a hot temperature and almost no precipitation. The highest average temperature in Umatilla is 32°C in July and the lowest is 4°C in January.
Climate of Umatilla by month
What is the average climate in a given month for Umatilla? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Umatilla weather experiences
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