Box Elder, United States experiences average highs of 17°C (63°F) and lows of 4°C (39°F) throughout the year. The climate is relatively dry, with only 6 rainy days per month on average. Sunshine is abundant, averaging about 10 hours per day. Average highs have cooled by 0.8°C (1.4°F) across the available records.
Box Elder, United States Weather & Climate 2026
Monthly climate averages for Box Elder, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.4/10
Best: June, July, August, September
UV Index
5
Low
Temperature 17°C / 4°C
Feels Like 14°C / 1°C
Rainy Days 6
Rainfall 36 mm
Sunshine 10 h
Humidity 57%
Wind Speed 22 km/h
Dew Point 2°C
Snow Days 5 days
Frost Days 17 days
Hottest Month
31°C
July
Avg Low18°C
Rain8days
Coldest Month
-8°C
February
Avg High4°C
Rain5days
Driest Month
3days
January
Avg High3°C
Avg Low-7°C
Windiest Month
26 km/h
April (Gusts 48)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures.
Sun Position
Sunrise 05:10
Daylight 15.5h
Sunset 20:38
Live conditions—
Box Elder on the map · live conditions
Box Elder, United States
- Continent
- Americas
- Country
- United States
- City
- Box Elder
- Population
- 9.3K
- Elevation
- 925 m
- Coordinates
- 44.11°, -103.07°
Seasonal Breakdown
Spring
Mar–May
Avg High 15°C
Avg Low 2°C
Rain 9 days/mo
Summer
Jun–Aug
Avg High 30°C
Avg Low 16°C
Rain 8 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 18°C
Avg Low 6°C
Rain 4 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 4°C
Avg Low -7°C
Rain 4 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 3°C / -7°C . Feb: 4°C / -8°C . Mar: 10°C / -3°C . Apr: 15°C / 1°C . May: 20°C / 8°C . Jun: 28°C / 15°C . Jul: 31°C / 18°C . Aug: 30°C / 17°C . Sep: 26°C / 13°C . Oct: 17°C / 5°C . Nov: 10°C / 0°C . Dec: 4°C / -6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 10 mm. Feb: 18 mm. Mar: 29 mm. Apr: 59 mm. May: 82 mm. Jun: 52 mm. Jul: 52 mm. Aug: 33 mm. Sep: 28 mm. Oct: 36 mm. Nov: 12 mm. Dec: 20 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 63%. Feb: 58%. Mar: 59%. Apr: 58%. May: 61%. Jun: 55%. Jul: 54%. Aug: 53%. Sep: 52%. Oct: 55%. Nov: 56%. Dec: 60%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 21 km/h . Feb: 22 km/h . Mar: 23 km/h . Apr: 26 km/h . May: 24 km/h . Jun: 22 km/h . Jul: 21 km/h . Aug: 21 km/h . Sep: 22 km/h . Oct: 23 km/h . Nov: 22 km/h . Dec: 22 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 8h. Mar: 9h. Apr: 10h. May: 11h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 10h. Oct: 9h. Nov: 8h. Dec: 7h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 7 days. Feb: 8 days. Mar: 7 days. Apr: 5 days. May: 1 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 3 days. Nov: 4 days. Dec: 8 days.
Climate Trends
Average highs have cooled by 0.8°C (1.4°F) across the available records. Average rainfall is trending wetter by about 9 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 31°C | Jul · 31°C |
| Coldest month | Feb 2025 · -11°C | Feb · -8°C |
| Wettest month | May 2025 · 94 mm | May · 82 mm |
| Windiest month | Apr 2025 · 27 km/h | Apr · 26 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -7°C | -1°C / -12°C | 3days (10 mm) Excellent | 7.1h Good | 63% Muggy | 2.5 Moderate | Poor | View Details |
| February | 4°C / -8°C | -1°C / -13°C | 5days (18 mm) Good | 8.2h Good | 58% Moderate | 3.5 Moderate | Poor | View Details |
| March | 10°C / -3°C | 6°C / -7°C | 6days (29 mm) Good | 9.4h Good | 59% Moderate | 4.9 Moderate | Poor | View Details |
| April | 15°C / 1°C | 11°C / -3°C | 8days (59 mm) Wet | 10.2h Excellent | 58% Moderate | 5.8 High | Poor | View Details |
| May | 20°C / 8°C | 18°C / 5°C | 12days (82 mm) Wet | 11.1h Excellent | 61% Muggy | 6.6 High | Good | View Details |
| June best | 28°C / 15°C | 27°C / 13°C | 8days (52 mm) Wet | 12.9h Excellent | 55% Moderate | 7.5 Very High | Excellent | View Details |
| July best | 31°C / 18°C | 31°C / 17°C | 8days (52 mm) Wet | 13.2h Excellent | 54% Moderate | 7.7 Very High | Excellent | View Details |
| August best | 30°C / 17°C | 29°C / 16°C | 7days (33 mm) Good | 12.1h Excellent | 53% Moderate | 6.8 High | Excellent | View Details |
| September best | 26°C / 13°C | 24°C / 11°C | 5days (28 mm) Good | 10.3h Excellent | 52% Moderate | 5.8 High | Excellent | View Details |
| October | 17°C / 5°C | 13°C / 1°C | 5days (36 mm) Good | 8.7h Good | 55% Moderate | 4.1 Moderate | Fair | View Details |
| November | 10°C / 0°C | 6°C / -5°C | 3days (12 mm) Excellent | 7.6h Good | 56% Moderate | 2.7 Moderate | Poor | View Details |
| December | 4°C / -6°C | 0°C / -11°C | 4days (20 mm) Good | 6.6h Fair | 60% Moderate | 2.1 Moderate | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Box Elder are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Box Elder, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Box Elder is July, with average daytime highs of 31°C (88°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Box Elder is February, with average overnight lows of -8°C (17°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Box Elder is May, averaging 82mm of precipitation across 12 rainy days. An umbrella or waterproof jacket is essential.
Box Elder receives approximately 117 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Box Elder.
The least favorable months to visit Box Elder are January, February, March, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Box Elder is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Box Elder is 57%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Box Elder receives snow. Months with snowfall average 5 snow days and 9 cm (4 in) of accumulation, with about 17 frost days during winter.
Average wind speeds in Box Elder are 22 km/h (14 mph). The windiest month is April with peak winds reaching 26 km/h (16 mph) (gusts up to 48 km/h / 30 mph).
Box Elder averages 7 clear-sky days per month with overall cloud cover around 46%. The clearest skies occur in September.
The annual average dew point in Box Elder is 2°C (36°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Box Elder has a Cold Semi-Arid climate, classified as BSk under the Köppen system. Arid climates have very low rainfall relative to temperature, with large swings between daytime heat and cool nights.
The 'feels like' temperature in Box Elder ranges from 1°C (34°F) to 14°C (57°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Box Elder. It earns a climate score of 8.9/10 with Excellent.
For June in Box Elder, pack Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. With average highs of 28°C (82°F) and 8 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
Last updated: