Last updated: June 24, 2025
In Grantham, United States, the average temperature in February hovers around -4°C (25°F). However, be prepared for the extremes, as temperatures can plummet to a minimum of -28°C (-18°F), while occasionally peaking at a mild 22°C (71°F). Expect 81 mm (3.2 in) of precipitation spread over about 11 days, with an average humidity level of 84%, creating a crisp and chilly atmosphere throughout the month.
In February in Grantham, the average temperature is -4°C (25°F). The maximum can reach 22°C (71°F), while the minimum can plummet to an astonishing -28°C (-18°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both chilly and mild conditions.
In Grantham in February, the precipitation amount is 81 mm (3.2 in) over a span of 11 days.
In Grantham in February, humidity is 84%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.
In Grantham in February, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Grantham for better planning.
UV Risk Categories
Weather in Grantham varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Grantham, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (22°F) | 70 mm (2.7 inches) | 86% | moderate |
February Weather | -4°C (25°F) | 81 mm (3.2 inches) | 84% | moderate |
March Weather | 0°C (32°F) | 71 mm (2.8 inches) | 82% | high |
April Weather | 6°C (44°F) | 116 mm (4.6 inches) | 80% | very high |
May Weather | 13°C (56°F) | 78 mm (3.1 inches) | 72% | very high |
June Weather | 19°C (66°F) | 85 mm (3.4 inches) | 72% | very high |
July Weather | 22°C (71°F) | 120 mm (4.7 inches) | 67% | very high |
August Weather | 21°C (69°F) | 86 mm (3.4 inches) | 66% | very high |
September Weather | 17°C (62°F) | 64 mm (2.5 inches) | 71% | high |
October Weather | 10°C (50°F) | 132 mm (5.2 inches) | 78% | moderate |
November Weather | 2°C (36°F) | 100 mm (3.9 inches) | 84% | moderate |
December Weather | -3°C (27°F) | 102 mm (4.0 inches) | 81% | low |