Climate Insights for Dunes City

Teton County, Oregon, United States

Hottest
August
19°C peak
Coldest
February
7°C low
Wettest
December
249mm rain
Best to Visit
July, August, September
Mild temps & low rain

Climate Overview

The climate in Dunes City is temperate. The average annual temperature is 12°C and approximately 1377mm of precipitation falls per year. December is the wettest month, receiving around 249mm of rainfall. Dunes City is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, March, December, when temperatures can drop to 7°C.

Temperature

10° 15° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 11° Average: 9° Min: 8° Feb Max: 11° Average: 9° Min: 7° Mar Max: 11° Average: 9° Min: 7° Apr Max: 13° Average: 11° Min: 9° May Max: 15° Average: 13° Min: 11° Jun Max: 17° Average: 15° Min: 12° Jul Max: 19° Average: 16° Min: 14° Aug Max: 19° Average: 17° Min: 14° Sep Max: 19° Average: 16° Min: 14° Oct Max: 16° Average: 14° Min: 12° Nov Max: 13° Average: 11° Min: 9° Dec Max: 11° Average: 9° Min: 8°
Max
Average
Min

Dunes City sees moderate temperature variation throughout the year, ranging from 7°C to 19°C. August is the warmest month, though highs remain moderate at 19°C with a mean of 17°C. February is the coolest month, with minimum temperatures around 7°C and an average of 9°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 3°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 221mm Snow: 0mm Feb Precipitation: 175mm Snow: 1mm Mar Precipitation: 172mm Snow: 0mm Apr Precipitation: 114mm Snow: 0mm May Precipitation: 59mm Snow: 0mm Jun Precipitation: 35mm Snow: 0mm Jul Precipitation: 4mm Snow: 0mm Aug Precipitation: 7mm Snow: 0mm Sep Precipitation: 42mm Snow: 0mm Oct Precipitation: 106mm Snow: 0mm Nov Precipitation: 194mm Snow: 0mm Dec Precipitation: 249mm Snow: 0mm
Precipitation
Snow

Dunes City is a fairly wet location, receiving approximately 1377mm of precipitation annually, which averages out to around 115mm per month. The wettest month is December, averaging 249mm of rainfall. January and November also tend to see above-average precipitation. The driest month is July, with just 4mm. That's 245mm less than December, 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.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 27km/h Feb Wind Speed: 24km/h Mar Wind Speed: 25km/h Apr Wind Speed: 23km/h May Wind Speed: 22km/h Jun Wind Speed: 23km/h Jul Wind Speed: 23km/h Aug Wind Speed: 21km/h Sep Wind Speed: 21km/h Oct Wind Speed: 22km/h Nov Wind Speed: 24km/h Dec Wind Speed: 26km/h
Wind Speed

Dunes City is moderately windy, with an average annual wind speed of 23km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 25km/h in winter, 23km/h in spring, 22km/h in summer, 22km/h in autumn.

Seasons

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

87 days until Summer

It is currently spring in Dunes City, which began on March 20, 2026. Dunes City 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 August at around 19°C, while the coldest stretch bottoms out in February near 7°C. Summer is next, beginning on June 21, 2026 — 87 days from now.

Spring

Temperatures range from 7 to 15°C. Rainfall is heavy, totalling around 345mm across the season with a monthly average of 115mm. Winds are moderate at around 23km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 12 to 19°C. Precipitation is minimal, with only around 46mm for the entire season. Winds are moderate at around 22km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 9 to 19°C. Rainfall is heavy, totalling around 342mm across the season with a monthly average of 114mm. Winds are moderate at around 22km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 7 to 11°C. Rainfall is heavy, totalling around 644mm across the season with a monthly average of 215mm. Winds are strong, averaging 25km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan
Feb
Mar
Apr 11°
May 13°
Jun 15°
Jul 16°
Aug 17°
Sep 16°
Oct 14°
Nov 11°
Dec

The best time to visit Dunes City is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 17mm per month. By contrast, February can be quite cold with temperatures dropping to 7°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 Dunes City 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. 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
8 °C
11 °C
27 km/h
221 mm
0 cm
Feb
7 °C
11 °C
24 km/h
175 mm
1 cm
Mar Current
7 °C
11 °C
25 km/h
172 mm
0 cm
Apr
9 °C
13 °C
23 km/h
114 mm
0 cm
May
11 °C
15 °C
22 km/h
59 mm
0 cm
Jun
12 °C
17 °C
23 km/h
35 mm
0 cm
Jul
14 °C
19 °C
23 km/h
4 mm
0 cm
Aug
14 °C
19 °C
21 km/h
7 mm
0 cm
Sep
14 °C
19 °C
21 km/h
42 mm
0 cm
Oct
12 °C
16 °C
22 km/h
106 mm
0 cm
Nov
9 °C
13 °C
24 km/h
194 mm
0 cm
Dec
8 °C
11 °C
26 km/h
249 mm
0 cm
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Metric (°C, km/h)