What’s the climate like in Longwood?
The current climate of Longwood features average monthly temperatures ranging from highs of 24°C during the day to lows of 18°C. The average yearly temperature is around 22°C. At night, temperatures in the colder months average around 15°C and in the warmer months around 20°C.
The highest temperature recorded in Longwood in recent years was 29°C in September 2022. The lowest daytime temperature recorded was 15°C in September 2020.
On average, Longwood receives 416 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
Best time to visit Longwood?
The best time to visit Longwood for sunny weather is January through December. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Longwood.
Climate Table of Longwood
The climate table of Longwood 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 | |
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| Temp. max (°C) | 23 | 24 | 24 | 23 | 22 | 21 | 19 | 18 | 19 | 19 | 20 | 21 |
| Temp. min (°C) | 19 | 20 | 20 | 20 | 19 | 17 | 16 | 15 | 15 | 16 | 16 | 17 |
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| Precipitation (mm) | 29 | 43 | 50 | 38 | 30 | 45 | 59 | 39 | 34 | 18 | 15 | 16 |
| UV Index | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 7 | 8 | 9 | 9 | 9 |
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: 22°C
- Highest temperature: 24°C in February and March
- Lowest temperature: 18°C in August
- Precipitation: 416 mm per year, averaging 35 mm per month
- Driest months: 15 mm in November, 16 mm in December and 18 mm in October
- Wettest months: 59 mm in July, 50 mm in March and 45 mm in June
Table of Contents
Average Temperature per Month in Longwood
This graph shows the average maximum temperatures per month in Longwood, Saint Helena, Ascension and Tristan da Cunha. 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 Longwood
This graph shows how much precipitation Longwood, Saint Helena, Ascension and Tristan da Cunha, 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 Longwood
This graph shows the average UV index per month in Longwood, Saint Helena, Ascension and Tristan da Cunha. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Longwood
This graph shows the average yearly temperature in Longwood, Saint Helena, Ascension and Tristan da Cunha. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Longwood
This chart shows the total yearly precipitation in Longwood, Saint Helena, Ascension and Tristan da Cunha, 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 Longwood
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Average Weather in Longwood by Month
Click on a month below to see detailed weather info for Longwood. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
