Climate Insights for Owyhee Reservoir State Airport

Weston County, Oregon, United States

Hottest
July
33°C peak
Coldest
December
-5°C low
Wettest
January
53mm rain
Best to Visit
June, August, September
Mild temps & low rain

Climate Overview

The climate in Owyhee Reservoir State Airport is temperate. The average annual temperature is 11°C and approximately 356mm of precipitation falls per year. January is the wettest month, receiving around 53mm of rainfall. Owyhee Reservoir State Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are December, January, February, when temperatures can drop to -5°C. Snowfall occurs from January to December, with around 89cm accumulating over the season.

Temperature

-10° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 3° Average: -1° Min: -4° Feb Max: 7° Average: 1° Min: -2° Mar Max: 12° Average: 6° Min: 1° Apr Max: 17° Average: 10° Min: 5° May Max: 22° Average: 15° Min: 9° Jun Max: 27° Average: 19° Min: 12° Jul Max: 33° Average: 25° Min: 17° Aug Max: 33° Average: 25° Min: 17° Sep Max: 26° Average: 18° Min: 11° Oct Max: 17° Average: 10° Min: 4° Nov Max: 10° Average: 4° Min: 0° Dec Max: 2° Average: -2° Min: -5°
Max
Average
Min

Owyhee Reservoir State Airport has a wide annual temperature range, spanning 38°C from the coldest to warmest months. The warmest month is July, when average highs reach 33°C and the mean temperature sits around 25°C. The coldest month is December, when overnight lows fall to -5°C and the daily average is -2°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 53mm Snow: 29mm Feb Precipitation: 37mm Snow: 20mm Mar Precipitation: 45mm Snow: 7mm Apr Precipitation: 37mm Snow: 2mm May Precipitation: 51mm Snow: 0mm Jun Precipitation: 24mm Snow: 0mm Jul Precipitation: 4mm Snow: 0mm Aug Precipitation: 4mm Snow: 0mm Sep Precipitation: 12mm Snow: 0mm Oct Precipitation: 21mm Snow: 1mm Nov Precipitation: 32mm Snow: 8mm Dec Precipitation: 35mm Snow: 21mm
Precipitation
Snow

Owyhee Reservoir State Airport is a quite dry location, receiving approximately 356mm of precipitation annually, which averages out to around 30mm per month. The wettest month is January, averaging 53mm of rainfall. May and March also tend to see above-average precipitation. The driest month is July, with just 4mm. That's 49mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 89cm accumulating over the season. January typically sees the most snow at around 29cm.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 2km/h Feb Wind Speed: 3km/h Mar Wind Speed: 3km/h Apr Wind Speed: 3km/h May Wind Speed: 3km/h Jun Wind Speed: 3km/h Jul Wind Speed: 3km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 3km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Owyhee Reservoir State Airport is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

78 days until Autumn

It is currently summer in Owyhee Reservoir State Airport, which began on June 21, 2026. Owyhee Reservoir State Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 33°C, while the coldest stretch bottoms out in December near -5°C. Autumn is next, beginning on September 23, 2026 — 78 days from now.

Spring

Temperatures range from 1 to 22°C. Rainfall is relatively light, with around 133mm over the season and a monthly average of 44mm. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 12 to 33°C. Precipitation is minimal, with only around 32mm for the entire season. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 0 to 26°C. Rainfall is relatively light, with around 66mm over the season and a monthly average of 22mm. Expect around 9cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -5 to 7°C. Rainfall is relatively light, with around 125mm over the season and a monthly average of 42mm. Expect around 71cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -1°
Feb
Mar
Apr 10°
May 15°
Jun 19°
Jul 25°
Aug 25°
Sep 18°
Oct 10°
Nov
Dec -2°

The best time to visit Owyhee Reservoir State Airport is during June, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 13mm per month. By contrast, July can be uncomfortably hot with highs reaching 33°C, while December is the coldest period with lows dropping to -5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Owyhee Reservoir State Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-4 °C
3 °C
2 km/h
53 mm
29 cm
Feb
-2 °C
7 °C
3 km/h
37 mm
20 cm
Mar
1 °C
12 °C
3 km/h
45 mm
7 cm
Apr
5 °C
17 °C
3 km/h
37 mm
2 cm
May
9 °C
22 °C
3 km/h
51 mm
0 cm
Jun
12 °C
27 °C
3 km/h
24 mm
0 cm
Jul Current
17 °C
33 °C
3 km/h
4 mm
0 cm
Aug
17 °C
33 °C
2 km/h
4 mm
0 cm
Sep
11 °C
26 °C
2 km/h
12 mm
0 cm
Oct
4 °C
17 °C
3 km/h
21 mm
1 cm
Nov
0 °C
10 °C
2 km/h
32 mm
8 cm
Dec
-5 °C
2 °C
2 km/h
35 mm
21 cm
Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)

Confirm