Climate Insights for Ephraim

Teton County, Utah, United States

Hottest
July
29°C peak
Coldest
December
-10°C low
Wettest
March
54mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Ephraim is cool. The average annual temperature is 7°C and approximately 441mm of precipitation falls per year. March is the wettest month, receiving around 54mm of rainfall. Ephraim 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 -10°C. Snowfall occurs from January to December, with around 183cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 0° Average: -5° Min: -9° Feb Max: 2° Average: -4° Min: -9° Mar Max: 6° Average: 0° Min: -5° Apr Max: 11° Average: 4° Min: -2° May Max: 17° Average: 10° Min: 3° Jun Max: 26° Average: 18° Min: 10° Jul Max: 29° Average: 21° Min: 14° Aug Max: 27° Average: 20° Min: 13° Sep Max: 23° Average: 15° Min: 8° Oct Max: 15° Average: 7° Min: 1° Nov Max: 7° Average: 0° Min: -6° Dec Max: 1° Average: -5° Min: -10°
Max
Average
Min

Ephraim has a wide annual temperature range, spanning 39°C from the coldest to warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 21°C. The coldest month is December, when overnight lows fall to -10°C and the daily average is -5°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, 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: 47mm Snow: 33mm Feb Precipitation: 40mm Snow: 27mm Mar Precipitation: 54mm Snow: 34mm Apr Precipitation: 39mm Snow: 16mm May Precipitation: 48mm Snow: 6mm Jun Precipitation: 17mm Snow: 0mm Jul Precipitation: 18mm Snow: 0mm Aug Precipitation: 34mm Snow: 0mm Sep Precipitation: 27mm Snow: 2mm Oct Precipitation: 32mm Snow: 9mm Nov Precipitation: 35mm Snow: 21mm Dec Precipitation: 50mm Snow: 34mm
Precipitation
Snow

Ephraim is a relatively dry area, receiving approximately 441mm of precipitation annually, which averages out to around 37mm per month. The wettest month is March, averaging 54mm of rainfall. December and May also tend to see above-average precipitation. The driest month is June, with just 17mm. That's 36mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 183cm accumulating over the season. December typically sees the most snow at around 34cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 11km/h Mar Wind Speed: 11km/h Apr Wind Speed: 15km/h May Wind Speed: 15km/h Jun Wind Speed: 16km/h Jul Wind Speed: 14km/h Aug Wind Speed: 14km/h Sep Wind Speed: 13km/h Oct Wind Speed: 12km/h Nov Wind Speed: 10km/h Dec Wind Speed: 9km/h
Wind Speed

Ephraim is mildly breezy, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 10km/h in winter, 14km/h in spring, 14km/h in summer, 12km/h in autumn.

Seasons

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

86 days until Summer

It is currently spring in Ephraim, which began on March 20, 2026. Ephraim 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 29°C, while the coldest stretch bottoms out in December near -10°C. Summer is next, beginning on June 21, 2026 — 86 days from now.

Spring

Temperatures range from -5 to 17°C. Rainfall is relatively light, with around 141mm over the season and a monthly average of 47mm. Winds are generally light, averaging 14km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 10 to 29°C. Rainfall is relatively light, with around 70mm over the season and a monthly average of 23mm. Winds are generally light, averaging 14km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -6 to 23°C. Rainfall is relatively light, with around 93mm over the season and a monthly average of 31mm. Expect around 32cm of snow accumulation during this period. Winds are generally light, averaging 12km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -10 to 2°C. Rainfall is relatively light, with around 136mm over the season and a monthly average of 45mm. Expect around 95cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -5°
Feb -4°
Mar
Apr
May 10°
Jun 18°
Jul 21°
Aug 20°
Sep 15°
Oct
Nov
Dec -5°

The best time to visit Ephraim is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 24mm per month. By contrast, December can be quite cold with temperatures dropping to -10°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 Ephraim 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
-9 °C
0 °C
9 km/h
47 mm
33 cm
Feb
-9 °C
2 °C
11 km/h
40 mm
27 cm
Mar Current
-5 °C
6 °C
11 km/h
54 mm
34 cm
Apr
-2 °C
11 °C
15 km/h
39 mm
16 cm
May
3 °C
17 °C
15 km/h
48 mm
6 cm
Jun
10 °C
26 °C
16 km/h
17 mm
0 cm
Jul
14 °C
29 °C
14 km/h
18 mm
0 cm
Aug
13 °C
27 °C
14 km/h
34 mm
0 cm
Sep
8 °C
23 °C
13 km/h
27 mm
2 cm
Oct
1 °C
15 °C
12 km/h
32 mm
9 cm
Nov
-6 °C
7 °C
10 km/h
35 mm
21 cm
Dec
-10 °C
1 °C
9 km/h
50 mm
34 cm
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Metric (°C, km/h)