Monthly climate averages for Ripon, United States. Based on 10-year ERA5 reanalysis data.
Csa Hot-Summer Mediterranean
Climate OverviewRipon, United States in December has mild conditions, with highs averaging 14.4°C (58°F) and noticeably cooler mornings.
This month falls at the beginning of Winter.
Temperatures remain fairly steady throughout December, with daily highs around 15°C (59°F).
December sees fairly even rainfall, totalling about 95 mm across the month.
Expect around 7.4h of sunshine at the start of December, decreasing to 6.7h by the end.
The warmest days tend to fall around the 5th, averaging 15.7°C (60°F).
Compared to November, this month is about 4°C cooler with 4 more rainy days.
Daily averages based on historical data (2016–2025)
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 15°C / 6°C | 13°C / 3°C | 9days (108 mm) Wet | 6.9h Fair | 79% Humid | 2.9 Moderate | Fair | View Details |
| February | 17°C / 6°C | 15°C / 3°C | 7days (75 mm) Good | 8.5h Good | 70% Muggy | 4 Moderate | Fair | View Details |
| March | 19°C / 8°C | 17°C / 5°C | 11days (91 mm) Wet | 9.4h Good | 69% Muggy | 5.4 High | Good | View Details |
| April best | 24°C / 10°C | 22°C / 8°C | 4days (31 mm) Good | 11h Excellent | 59% Moderate | 6.8 High | Excellent | View Details |
| May best | 28°C / 13°C | 27°C / 12°C | 3days (17 mm) Excellent | 12.7h Excellent | 48% Moderate | 7.8 Very High | Excellent | View Details |
| June best | 34°C / 16°C | 33°C / 15°C | 0days (1 mm) Excellent | 13.6h Excellent | 40% Comfortable | 8.1 Very High | Excellent | View Details |
| July | 36°C / 18°C | 36°C / 17°C | 0days (0 mm) Excellent | 13.5h Excellent | 41% Moderate | 8.2 Very High | Good | View Details |
| August | 35°C / 18°C | 35°C / 18°C | 0days (1 mm) Excellent | 12.5h Excellent | 44% Moderate | 7.6 Very High | Good | View Details |
| September best | 32°C / 17°C | 31°C / 16°C | 1days (4 mm) Excellent | 11.4h Excellent | 48% Moderate | 6.4 High | Excellent | View Details |
| October best | 27°C / 13°C | 25°C / 12°C | 3days (26 mm) Excellent | 9.8h Good | 51% Moderate | 5 Moderate | Excellent | View Details |
| November | 19°C / 9°C | 17°C / 6°C | 5days (51 mm) Good | 8.1h Good | 66% Muggy | 3.5 Moderate | Good | View Details |
| December | 14°C / 6°C | 13°C / 3°C | 9days (96 mm) Wet | 6.8h Fair | 77% Humid | 2.7 Moderate | Fair | View Details |
Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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