Grimsby, United Kingdom Climate by Month
Grimsby, England, United Kingdom
Mild summers and cool winters, with rain spread through the year.
Grimsby has mild summers and cool winters, with rain spread through the year. July is the warmest month, with highs around 71°F (22°C); January is the coolest at 45°F (7°C), and nights dip to 35°F (2°C). About 26 in (661 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 80% relative humidity.
- Warmest month
- 71°F(22°C)
- Average high, July
- Coldest nights
- 35°F(2°C)
- Average low, February
- Rain per year
- 26 in(661 mm)
- No clear rainy season
- Humidity
- 80%
- Sunniest: July
Best and worst months in Grimsby
Best for weatherJuly and August are the best time for weather in Grimsby: highs near 71°F (22°C) and about 2.7 in (68 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 45°F (7°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 July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Grimsby weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 45°F(7°C) | 35°F(2°C) | 2.1 in(53 mm) | 83% | 0.7 |
| FebFebruary | 46°F(8°C) | 35°F(2°C) | 1.7 in(42 mm) | 81% | 1.3 |
| MarMarch | 51°F(10°C) | 38°F(3°C) | 1.6 in(40 mm) | 80% | 2.4 |
| AprApril | 56°F(13°C) | 41°F(5°C) | 1.7 in(43 mm) | 77% | 3.7 |
| MayMay | 62°F(17°C) | 46°F(8°C) | 1.9 in(47 mm) | 70% | 4.7 |
| JunJune | 67°F(20°C) | 52°F(11°C) | 2.5 in(64 mm) | 75% | 4.7 |
| JulJulyBest | 71°F(22°C) | 55°F(13°C) | 2.5 in(64 mm) | 75% | 4.8 |
| AugAugustBest | 71°F(22°C) | 55°F(13°C) | 2.8 in(71 mm) | 76% | 4.0 |
| SepSeptember | 66°F(19°C) | 51°F(11°C) | 2.2 in(55 mm) | 77% | 2.8 |
| OctOctober | 58°F(14°C) | 46°F(8°C) | 2.4 in(61 mm) | 83% | 1.6 |
| NovNovember | 51°F(10°C) | 40°F(5°C) | 2.4 in(62 mm) | 87% | 0.8 |
| DecDecember | 45°F(7°C) | 36°F(2°C) | 2.3 in(59 mm) | 93% | 0.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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