Rexburg Climate by Month
Rexburg, Idaho, United States
Warm summers and freezing winters, with little rain.
Warm summers and freezing winters, with little rain: that's Rexburg's climate in short. Expect highs of 85°F (30°C) in July and 30°F (-1°C) in January, with the coldest nights (January) near 11°F (-12°C). It gets only 13 in (321 mm) of rain a year.
- Warmest month
- 85°F(30°C)
- Average high, July
- Coldest nights
- 11°F(-12°C)
- Average low, January
- Rain per year
- 13 in(321 mm)
- No clear rainy season
- Humidity
- 60%
- Sunniest: July
Best and worst months in Rexburg
Best for weatherThe most comfortable weather comes in June and September, with highs around 75°F (24°C) and about 1.3 in (33 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 30°F (-1°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Rexburg weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 30°F(-1°C) | 11°F(-12°C) | 1.0 in(26 mm) | 79% | 1.5 |
| FebFebruary | 36°F(2°C) | 14°F(-10°C) | 0.9 in(22 mm) | 87% | 2.4 |
| MarMarch | 46°F(8°C) | 22°F(-5°C) | 0.9 in(22 mm) | 60% | 3.9 |
| AprApril | 57°F(14°C) | 29°F(-2°C) | 1.3 in(32 mm) | 53% | 4.8 |
| MayMay | 67°F(19°C) | 37°F(3°C) | 1.6 in(41 mm) | 53% | 6.1 |
| JunJuneBest | 75°F(24°C) | 44°F(7°C) | 1.7 in(42 mm) | 52% | 6.8 |
| JulJuly | 85°F(30°C) | 49°F(9°C) | 0.4 in(10 mm) | 44% | 7.4 |
| AugAugust | 84°F(29°C) | 47°F(8°C) | 0.6 in(16 mm) | 42% | 6.3 |
| SepSeptemberBest | 75°F(24°C) | 40°F(4°C) | 0.9 in(24 mm) | 44% | 4.7 |
| OctOctober | 60°F(16°C) | 30°F(-1°C) | 1.1 in(29 mm) | 59% | 3.1 |
| NovNovember | 42°F(6°C) | 20°F(-7°C) | 1.0 in(26 mm) | 68% | 1.8 |
| DecDecember | 32°F(0°C) | 11°F(-11°C) | 1.2 in(31 mm) | 76% | 1.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
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