Umatilla, Oregon Climate
United States
Pop. 7,009 Elev. 98 m / 322 ft
TZ: America/Los_Angeles (UTC-7) ·
Umatilla has a dry climate with hot summers reaching 97°F (36°C) in July and cold winters averaging 27°F (-3°C) in January. Rain falls on about 11 days per year (9.3 in / 236 mm total), with 6 in (160 mm) of annual snowfall. The city averages 142 sunny days per year. Nearby lake water reaches 75°F (24°C) in summer.
| Temperature | 97°F (36°C) high | 27°F (-3°C) low |
| Feels like | 89°F (32°C) high | 27°F (-3°C) low |
| Rain | 11 days | 9.3 in (236 mm) /yr |
| Snow | 0 days | 6.3 in (160 mm) /yr |
| Sky | 142 sunny | 1 stormy |
| Wind | 3.7 mph (1.7 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, May, Sep, Oct
Sky & Air by Month
Cloud cover (%)
63
Jan 67
Feb 70
Mar 41
Apr 44
May 31
Jun 24
Jul 36
Aug 28
Sep 48
Oct 77
Nov 71
Dec Humidity (%)
86
Jan 75
Feb 59
Mar 40
Apr 36
May 31
Jun 30
Jul 36
Aug 46
Sep 61
Oct 79
Nov 76
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 26 mi Tri Cities Airport (PSC)
Ski resort 59 mi Meacham Divide Nordic Area
National park 47 mi Hanford Reach National Monument
Mountain peak
(5,896 ft) 49 mi Black Mountain
Hospital 5 mi
Hiking trail 32 mi
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 42°F 5°C | 27°F -3°C | 1.1 in 28 mm | 0.2 in5 mm | 6 |
| February | 46°F 8°C | 31°F -1°C | 1.0 in 26 mm | 6.1 in154 mm | 7 |
| March | 61°F 16°C | 42°F 5°C | 1.2 in 31 mm | — | 4 |
| April | 71°F 22°C | 43°F 6°C | 0.5 in 14 mm | — | 17 |
| May | 80°F 26°C | 50°F 10°C | 0.3 in 7 mm | — | 14 |
| June | 89°F 32°C | 59°F 15°C | 0.0 in 1 mm | — | 18 |
| July | 97°F 36°C | 66°F 19°C | 0.2 in 5 mm | — | 23 |
| August | 94°F 34°C | 65°F 19°C | 0.1 in 2 mm | — | 19 |
| September | 88°F 31°C | 59°F 15°C | 0.3 in 6 mm | — | 18 |
| October | 66°F 19°C | 44°F 7°C | 1.0 in 25 mm | — | 11 |
| November | 54°F 12°C | 40°F 4°C | 1.3 in 34 mm | — | 2 |
| December | 51°F 11°C | 37°F 3°C | 2.3 in 58 mm | 0.0 in1 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 6 | 0 |
| February | 7 | 0 |
| March | 4 | 0 |
| April | 17 | 0 |
| May | 14 | 0 |
| June | 18 | 0 |
| July | 23 | 0 |
| August | 19 | 0 |
| September | 18 | 0 |
| October | 11 | 1 |
| November | 2 | 0 |
| December | 3 | 0 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 40°F 4°C |
| February | 37°F 3°C |
| March | 41°F 5°C |
| April | 47°F 8°C |
| May | 57°F 14°C |
| June | 67°F 19°C |
| July | 74°F 23°C |
| August | 75°F 24°C |
| September | 74°F 23°C |
| October | 59°F 15°C |
| November | 50°F 10°C |
| December | 45°F 7°C |