Meridian, Idaho Climate by Month
Meridian, Idaho, United States
Hot summers and cold winters, with little rain.
Hot summers and cold winters, with little rain: that's Meridian's climate in short. Afternoon highs range from 39°F (4°C) in January to 92°F (34°C) in July, and January nights average 24°F (-4°C). It gets only 10 in (263 mm) of rain a year. July and August are almost completely dry.
- Warmest month
- 92°F(34°C)
- Average high, July
- Coldest nights
- 24°F(-4°C)
- Average low, January
- Rain per year
- 10 in(263 mm)
- No clear rainy season
- Humidity
- 53%
- Sunniest: July
Best and worst months in Meridian
Best for weatherMay and September are the best time for weather in Meridian: highs near 77°F (25°C) and about 0.8 in (21 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 39°F (4°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 May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Meridian weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 39°F(4°C) | 24°F(-4°C) | 1.3 in(33 mm) | 82% | 1.5 |
| FebFebruary | 47°F(8°C) | 28°F(-2°C) | 0.9 in(22 mm) | 66% | 2.6 |
| MarMarch | 57°F(14°C) | 34°F(1°C) | 1.1 in(29 mm) | 58% | 3.9 |
| AprApril | 64°F(18°C) | 38°F(3°C) | 1.0 in(26 mm) | 47% | 5.2 |
| MayMayBest | 73°F(23°C) | 46°F(8°C) | 1.2 in(30 mm) | 46% | 6.3 |
| JunJune | 82°F(28°C) | 53°F(11°C) | 0.8 in(20 mm) | 40% | 7.2 |
| JulJuly | 92°F(34°C) | 59°F(15°C) | 0.2 in(4 mm) | 33% | 7.7 |
| AugAugust | 92°F(33°C) | 58°F(14°C) | 0.2 in(4 mm) | 31% | 6.7 |
| SepSeptemberBest | 81°F(27°C) | 49°F(10°C) | 0.5 in(12 mm) | 38% | 5.1 |
| OctOctober | 67°F(19°C) | 39°F(4°C) | 0.7 in(18 mm) | 44% | 3.3 |
| NovNovember | 51°F(10°C) | 30°F(-1°C) | 1.2 in(30 mm) | 71% | 1.9 |
| DecDecember | 40°F(5°C) | 25°F(-4°C) | 1.4 in(35 mm) | 80% | 1.3 |
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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