Ellicott City Climate by Month
Ellicott City, Maryland, United States
Hot summers and cold winters, with rain spread through the year.
Hot summers and cold winters, with rain spread through the year: that's Ellicott City's climate in short. Afternoon highs range from 42°F (6°C) in January to 87°F (31°C) in July, and January nights average 26°F (-4°C). About 47 in (1184 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 87°F(31°C)
- Average high, July
- Coldest nights
- 26°F(-4°C)
- Average low, January
- Rain per year
- 47 in(1184 mm)
- No clear rainy season
- Humidity
- 64%
- Sunniest: June
Best and worst months in Ellicott City
Best for weatherMay is the best time for weather in Ellicott City: highs near 75°F (24°C) and about 4.4 in (112 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)
Ellicott City 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 | 54°F(12°C) | 34°F(1°C) | 4.1 in(104 mm) | 61% | 3.7 |
| AprApril | 66°F(19°C) | 43°F(6°C) | 3.5 in(89 mm) | 55% | 4.8 |
| MayMayBest | 75°F(24°C) | 53°F(12°C) | 4.4 in(112 mm) | 64% | 5.4 |
| JunJune | 83°F(28°C) | 62°F(17°C) | 4.2 in(107 mm) | 66% | 5.7 |
| JulJuly | 87°F(31°C) | 67°F(19°C) | 4.2 in(107 mm) | 66% | 5.7 |
| AugAugust | 86°F(30°C) | 65°F(18°C) | 4.3 in(109 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) | 47°F(8°C) | 3.7 in(95 mm) | 69% | 3.0 |
| NovNovember | 56°F(14°C) | 37°F(3°C) | 3.3 in(84 mm) | 65% | 2.1 |
| DecDecember | 46°F(8°C) | 30°F(-1°C) | 3.9 in(100 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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