What’s the climate like in Cornwall?
The current climate of Cornwall features average monthly temperatures ranging from highs of 33°C during the day to lows of 29°C. The average yearly temperature is around 32°C. At night, temperatures in the colder months average around 23°C and in the warmer months around 26°C.
The highest temperature recorded in Cornwall in recent years was 36°C in December 2022. The lowest daytime temperature recorded was 24°C in January 2018.
On average, Cornwall receives 1147 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
The hurricane season in Cornwall runs from June to November.
Best time to visit Cornwall?
The best time to visit Cornwall for sunny weather is January through April, June, July, September and December. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Cornwall. 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 Cornwall
The climate table of Cornwall shows the average temperatures, precipitation, 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) | 29 | 29 | 30 | 31 | 31 | 32 | 33 | 33 | 32 | 32 | 31 | 30 |
| Temp. min (°C) | 24 | 24 | 24 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 25 | 25 |
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| Precipitation (mm) | 64 | 64 | 51 | 86 | 143 | 84 | 47 | 128 | 107 | 157 | 127 | 89 |
| UV Index | 8 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 7 |
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: 32°C
- Highest temperature: 33°C in July and August
- Lowest temperature: 29°C in January and February
- Precipitation: 1147 mm per year, averaging 96 mm per month
- Driest months: 47 mm in July, 51 mm in March and 64 mm in January
- Wettest months: 157 mm in October, 143 mm in May and 128 mm in August
Table of Contents
Average Temperature per Month in Cornwall
This graph shows the average maximum temperatures per month in Cornwall, Jamaica. 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 Cornwall
This graph shows how much precipitation Cornwall, Jamaica, 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 UV Index per Month in Cornwall
This graph shows the average UV index per month in Cornwall, Jamaica. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Cornwall
This graph shows the average yearly temperature in Cornwall, Jamaica. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Cornwall
This chart shows the total yearly precipitation in Cornwall, Jamaica, 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.
Weather experiences in Cornwall
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Average Weather in Cornwall by Month
Click on a month below to see detailed weather info for Cornwall. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
