Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
A minor adjustment in Georgetown's average high-temperature is noted with the start of May, touching a still moderately hot 26.7°C (80.1°F) from April's 27.3°C (81.1°F). Recording a slight decline in temperature during the nights, Georgetown's May temperatures average at a still moderately hot 25.7°C (78.3°F).Humidity
The average relative humidity in May is 76%.Rainfall
In Georgetown, Saint Helena, Ascension and Tristan da Cunha, in May, it is raining for 14.3 days, with typically 15mm (0.59") of accumulated precipitation. In Georgetown, Saint Helena, Ascension and Tristan da Cunha, during the entire year, the rain falls for 166.5 days and collects up to 168mm (6.61") of precipitation.Daylight
In May, the average length of the day in Georgetown, Saint Helena, Ascension and Tristan da Cunha, is 11h and 45min.On the first day of the month, sunrise is at 06:59 and sunset at 18:49. On the last day of May, in Georgetown, sunrise is at 07:04 and sunset at 18:46 GMT.
Sunshine
The average sunshine in May is 7.3h.UV index
The months with the highest UV index are January through May, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 7 in May leads to these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Georgetown in May?
What is the average humidity in May in Georgetown?
How much does it rain in Georgetown in May?
What is the average length of the day in May in Georgetown?
What time are sunrise and sunset in May in Georgetown?
How long on average sun shines in May in Georgetown?
When is the highest UV index in Georgetown?
What is the UV index intensity in May in Georgetown?
Average temperature in May
Georgetown, Saint Helena, Ascension and Tristan da Cunha
- Average high temperature in May: 26.7°C
The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is September (23.5°C).
- Average low temperature in May: 25.7°C
The month with the highest average low temperature is April (26.2°C).
The coldest months (with the lowest average low temperature) are September and November (23°C).
Average pressure in May
Georgetown, Saint Helena, Ascension and Tristan da Cunha
- Average pressure in May: 1013.3mbar
The months with the highest atmospheric pressure are July and August (1016.1mbar).
The months with the lowest atmospheric pressure are February and March (1011.8mbar).
Average wind speed in May
Georgetown, Saint Helena, Ascension and Tristan da Cunha
- Average wind speed in May: 26.1km/h
The windiest month (with the highest average wind speed) is July (28.1km/h).
The calmest month (with the lowest average wind speed) is January (21.7km/h).
Average humidity in May
Georgetown, Saint Helena, Ascension and Tristan da Cunha
- Average humidity in May: 76%
The months with the highest relative humidity are October and November (81%).
The months with the lowest relative humidity are June and July (75%).
Average rainfall in May
Georgetown, Saint Helena, Ascension and Tristan da Cunha
- Average rainfall in May: 15mm
The wettest month (with the highest rainfall) is July (20mm).
The driest months (with the least rainfall) are January and February (8mm).
Average rainfall days in May
Georgetown, Saint Helena, Ascension and Tristan da Cunha
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is February (7.4 days).
Average daylight in May /
Average sunshine in May
Georgetown, Saint Helena, Ascension and Tristan da Cunha
- Average daylight in May: 11h and 5min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is March (Average sunshine: 8h and 6min).
The month with the least sunshine is October (Average sunshine: 5h and 12min).
Average sunshine days in May
Georgetown, Saint Helena, Ascension and Tristan da Cunha
- Average sunshine days in May: 5.1 days
The month with the most sunshine days is March (11.3 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in May
Georgetown, Saint Helena, Ascension and Tristan da Cunha
- Average UV index in May: 7
The months with the highest UV index are January, February, March, April and May (UV index 7).
The months with the lowest UV index are September, October and November (UV index 5).
Average cloud cover in May
Georgetown, Saint Helena, Ascension and Tristan da Cunha
- Average cloud cover in May: 49
The month with the most cloud cover is October (Cloud cover 68).
The month with the least cloud cover is March (Cloud cover 40).
Average visibility in May
Georgetown, Saint Helena, Ascension and Tristan da Cunha
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Georgetown, Saint Helena, Ascension and Tristan da Cunha
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