What’s the climate like in Grantham?
The current climate of Grantham features average monthly temperatures ranging from highs of 22°C during the day to lows of 8°C. The average yearly temperature is around 15°C. At night, temperatures in the colder months average around 2°C and in the warmer months around 13°C.
The highest temperature recorded in Grantham in recent years was 40°C in July 2022. The lowest daytime temperature recorded was -4°C in February 2018.
On average, Grantham gets 586 mm of precipitation each year. Of this, about 4,7 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Curious about the climate in other parts of England? Check out the weather and climate in places like London, Edinburgh, Cornwall, or have a look at other destinations in England.
Best time to visit Grantham?
The best time to visit Grantham for sunny weather is June through September. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Grantham. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Grantham
The climate table of Grantham shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 8 | 9 | 11 | 13 | 17 | 20 | 22 | 22 | 19 | 15 | 11 | 9 |
| Temp. min (°C) | 2 | 3 | 4 | 5 | 8 | 11 | 13 | 13 | 11 | 9 | 5 | 4 |
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| Precipitation (mm) | 42 | 38 | 45 | 27 | 49 | 55 | 47 | 54 | 44 | 73 | 54 | 58 |
| Snow (cm) | 0,9 | 1,1 | 1,8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,1 | 0,8 |
| UV Index | 1 | 2 | 3 | 5 | 5 | 5 | 6 | 6 | 5 | 3 | 1 | 1 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 15°C
- Highest temperature: 22°C in July and August
- Lowest temperature: 8°C in January
- Precipitation*: 586 mm per year, averaging 49 mm per month
- Snowfall: 4,7 cm per year
- Driest months: 27 mm in April, 38 mm in February and 42 mm in January
- Wettest months: 73 mm in October, 58 mm in December and 55 mm in June
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Grantham
This graph shows the average maximum temperatures per month in Grantham, England. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Grantham
This graph shows how much precipitation Grantham, England, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Grantham
This graph shows how much snow Grantham, England, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Grantham
This graph shows the average UV index per month in Grantham, England. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Grantham
This graph shows the average yearly temperature in Grantham, England. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Grantham
This chart shows the total yearly precipitation in Grantham, England, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Grantham
This chart shows the total yearly snowfall in Grantham, England, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Grantham
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Average Weather in Grantham by Month
Click on a month below to see detailed weather info for Grantham. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
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