Columbia, Maryland Climate by Month
Columbia, Maryland, United States
Hot summers and cold winters, with rain spread through the year.
The climate in Columbia is one of hot summers and cold winters, with rain spread through the year. July is the warmest month, with highs around 88°F (31°C); January is the coolest at 42°F (6°C), and nights dip to 26°F (-4°C). It gets 47 in (1187 mm) of rain a year, spread across the months.
- Warmest month
- 88°F(31°C)
- Average high, July
- Coldest nights
- 26°F(-4°C)
- Average low, January
- Rain per year
- 47 in(1187 mm)
- No clear rainy season
- Humidity
- 64%
- Sunniest: June
Best and worst months in Columbia
Best for weatherThe most comfortable weather comes in May, with highs around 75°F (24°C) and about 4.5 in (114 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 42°F (6°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)
Columbia weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 42°F(6°C) | 26°F(-4°C) | 3.2 in(81 mm) | 61% | 1.9 |
| FebFebruary | 46°F(8°C) | 27°F(-3°C) | 2.8 in(72 mm) | 55% | 2.8 |
| MarMarch | 55°F(13°C) | 34°F(1°C) | 4.1 in(103 mm) | 61% | 3.7 |
| AprApril | 66°F(19°C) | 43°F(6°C) | 3.5 in(90 mm) | 55% | 4.7 |
| MayMayBest | 75°F(24°C) | 53°F(12°C) | 4.5 in(114 mm) | 64% | 5.4 |
| JunJune | 83°F(29°C) | 62°F(17°C) | 4.3 in(108 mm) | 66% | 5.7 |
| JulJuly | 88°F(31°C) | 67°F(19°C) | 4.3 in(108 mm) | 66% | 5.7 |
| AugAugust | 86°F(30°C) | 65°F(18°C) | 4.3 in(108 mm) | 70% | 5.1 |
| SepSeptember | 79°F(26°C) | 58°F(15°C) | 4.9 in(124 mm) | 71% | 4.1 |
| OctOctober | 68°F(20°C) | 46°F(8°C) | 3.8 in(96 mm) | 69% | 3.1 |
| NovNovember | 57°F(14°C) | 37°F(3°C) | 3.3 in(84 mm) | 64% | 2.1 |
| DecDecember | 47°F(8°C) | 30°F(-1°C) | 3.9 in(99 mm) | 64% | 1.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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