Average weather for Saint Helena, Ascension and Tristan da Cunha in October
It's pleasantly warm in October in Saint Helena, Ascension and Tristan da Cunha with an average temperature of 19°C. Temperatures this month range from a low of 18°C to a high of 20°C. At night, you can expect temperatures between 15°C and 16°C.
Start of October
The month of October starts in Saint Helena, Ascension and Tristan da Cunha with mild temps, averaging around 19°C during the day and nights around 16°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
Mid October
By mid-October, daytime temps rise to around 20°C, with nights around 16°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of October
By the end of October, the average daytime temperature in Saint Helena, Ascension and Tristan da Cunha is around 20°C, while nighttime temps are about 16°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
In October, there is an average of 18 mm of precipitation, spread over 7 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
Saint Helena, Ascension and Tristan da Cunha in October |
New York | ||
|---|---|---|---|
 Average temperature |
19°C | 21°C | |
 Max. temperature |
20°C | 26°C | |
| Min. temperature |
18°C | -5°C | |
 Total precipitation |
18 mm | 119 mm | |
| Rainy days |
7 days | 13 days | |
September
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is October a good time to visit Saint Helena, Ascension and Tristan da Cunha?
Looking for great weather? October is a good time to be in Saint Helena, Ascension and Tristan da Cunha. The temperatures are nice, and there’s little chance of rain this month.
Temperature records
With 23°C in 2019, Saint Helena, Ascension and Tristan da Cunha reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 15°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 20°C.
Daily Temperature in October in Saint Helena, Ascension and Tristan da Cunha
This chart shows the average daily high and low temperatures in October for Saint Helena, Ascension and Tristan da Cunha, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in October in Saint Helena, Ascension and Tristan da Cunha
The chart below shows the average daily precipitation in October for Saint Helena, Ascension and Tristan da Cunha, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for October, you can expect about 7 days of precipitation in Saint Helena, Ascension and Tristan da Cunha.
Daily UV index in October in Saint Helena, Ascension and Tristan da Cunha
This chart shows the average daily UV index in October in Saint Helena, Ascension and Tristan da Cunha, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in October in Saint Helena, Ascension and Tristan da Cunha over the years
This chart shows the average temperature in October in Saint Helena, Ascension and Tristan da Cunha, measured in degrees Celsius, over the past few years.
Total precipitation in October in Saint Helena, Ascension and Tristan da Cunha over the years
This chart shows the average precipitation in October in Saint Helena, Ascension and Tristan da Cunha, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in October for Saint Helena, Ascension and Tristan da Cunha
Click on any day in October to get detailed info about the usual weather on that day in Saint Helena, Ascension and Tristan da Cunha. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in October in Saint Helena, Ascension and Tristan da Cunha
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Average weather in Saint Helena, Ascension and Tristan da Cunha by month
Click on a month below to see detailed weather info for Saint Helena, Ascension and Tristan da Cunha. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Saint Helena, Ascension and Tristan da Cunha for all months at once
