Dover, Delaware Climate by Month
Dover, Delaware, United States
Hot summers and cold winters, with rain spread through the year.
Dover has hot summers and cold winters, with rain spread through the year. Expect highs of 88°F (31°C) in July and 44°F (6°C) in January, with the coldest nights (January) near 27°F (-3°C). It gets 46 in (1180 mm) of rain a year, spread across the months.
- Warmest month
- 88°F(31°C)
- Average high, July
- Coldest nights
- 27°F(-3°C)
- Average low, January
- Rain per year
- 46 in(1180 mm)
- No clear rainy season
- Humidity
- 68%
- Sunniest: July
Best and worst months in Dover
Best for weatherMay is the best time for weather in Dover: highs near 75°F (24°C) and about 3.9 in (100 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 44°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)
Dover weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 44°F(6°C) | 27°F(-3°C) | 3.3 in(84 mm) | 72% | 2.0 |
| FebFebruary | 46°F(8°C) | 28°F(-2°C) | 3.0 in(75 mm) | 66% | 2.9 |
| MarMarch | 55°F(13°C) | 35°F(2°C) | 4.4 in(111 mm) | 59% | 3.7 |
| AprApril | 66°F(19°C) | 44°F(7°C) | 3.5 in(89 mm) | 61% | 4.8 |
| MayMayBest | 75°F(24°C) | 54°F(12°C) | 3.9 in(100 mm) | 67% | 5.5 |
| JunJune | 84°F(29°C) | 64°F(18°C) | 4.3 in(108 mm) | 66% | 5.7 |
| JulJuly | 88°F(31°C) | 68°F(20°C) | 4.3 in(108 mm) | 70% | 5.7 |
| AugAugust | 86°F(30°C) | 67°F(19°C) | 4.7 in(119 mm) | 71% | 5.2 |
| SepSeptember | 80°F(27°C) | 60°F(15°C) | 4.5 in(114 mm) | 73% | 4.1 |
| OctOctober | 69°F(21°C) | 48°F(9°C) | 3.9 in(99 mm) | 71% | 3.1 |
| NovNovember | 58°F(14°C) | 38°F(4°C) | 3.0 in(76 mm) | 70% | 2.2 |
| DecDecember | 48°F(9°C) | 31°F(0°C) | 3.8 in(97 mm) | 72% | 1.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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