Monthly climate averages for Orem, United States. Based on 10-year ERA5 reanalysis data.
Dsa Hot-Summer Continental (dry)
Climate OverviewOrem, United States in December has cold conditions, with highs averaging around 3.3°C (38°F). Temperatures drop noticeably between day and night.
This month falls at the beginning of Winter. Cold conditions dominate the month.
Daily highs in December gradually drop from around 4°C (40°F) at the start to 2°C (35°F) by month's end.
Rainfall is heaviest during the last third of the month, while the middle tends to be drier.
The warmest days tend to fall around the 21th, averaging 4.4°C (40°F).
Compared to November, this month is about 7°C cooler with 3 more rainy days. Temperatures begin dropping heading into January.
Daily averages based on historical data (2016–2025)
Cold daytime highs of 3°C (38°F) mean shorter outdoor excursions with warming breaks.
Rain usually comes in shorter passing showers rather than all-day rain.
2 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 1°C / -8°C | -2°C / -12°C | 11days (61 mm) Wet | 7h Good | 78% Humid | 2.8 Moderate | Poor | View Details |
| February | 3°C / -6°C | 0°C / -10°C | 9days (50 mm) Wet | 8.2h Good | 73% Muggy | 3.7 Moderate | Poor | View Details |
| March | 8°C / -2°C | 5°C / -6°C | 11days (59 mm) Wet | 9.7h Good | 71% Muggy | 5.3 High | Poor | View Details |
| April | 14°C / 2°C | 12°C / -1°C | 8days (46 mm) Wet | 11.3h Excellent | 64% Muggy | 6.9 High | Fair | View Details |
| May | 20°C / 8°C | 19°C / 6°C | 8days (36 mm) Wet | 12.4h Excellent | 57% Moderate | 7.7 Very High | Good | View Details |
| June best | 29°C / 15°C | 27°C / 14°C | 2days (10 mm) Excellent | 13.5h Excellent | 40% Comfortable | 8.3 Very High | Excellent | View Details |
| July best | 33°C / 20°C | 32°C / 20°C | 1days (5 mm) Excellent | 13.3h Excellent | 35% Comfortable | 8.4 Very High | Excellent | View Details |
| August best | 31°C / 18°C | 30°C / 19°C | 3days (14 mm) Excellent | 12.4h Excellent | 40% Comfortable | 7.6 Very High | Excellent | View Details |
| September best | 27°C / 14°C | 25°C / 13°C | 3days (23 mm) Excellent | 11.2h Excellent | 45% Moderate | 6.5 High | Excellent | View Details |
| October | 17°C / 6°C | 15°C / 4°C | 6days (35 mm) Good | 9.5h Good | 58% Moderate | 4.8 Moderate | Good | View Details |
| November | 10°C / 0°C | 7°C / -3°C | 6days (34 mm) Good | 7.9h Good | 67% Muggy | 3.2 Moderate | Poor | View Details |
| December | 3°C / -7°C | 0°C / -11°C | 9days (52 mm) Wet | 6.9h Fair | 75% Muggy | 2.5 Moderate | Poor | View Details |
Full winter gear is a must — insulated coat, thermal base layers, warm hat, gloves, and waterproof boots.
Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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