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
The onset of May brings with it an average high-temperature of a moderately hot 23°C (73.4°F), showing a negligible variation from the month before. Santa Helena records a steady low-temperature average of 13.1°C (55.6°F) during May.Humidity
In May, the average relative humidity in Santa Helena is 85%.Rainfall
In May, the rain falls for 29.5 days. Throughout May, 246mm (9.69") of precipitation is accumulated. In Santa Helena, Colombia, during the entire year, the rain falls for 322.8 days and collects up to 2083mm (82.01") of precipitation.Daylight
In May, the average length of the day in Santa Helena is 12h and 25min.On the first day of May in Santa Helena, sunrise is at 05:48 and sunset at 18:09. On the last day of the month, sunrise is at 05:46 and sunset at 18:13 -05.
Sunshine
In May, the average sunshine is 8.4h.UV index
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What are May temperatures in Santa Helena?
What is the average humidity in May in Santa Helena?
How much does it rain in Santa Helena in May?
How many hours of daylight does Santa Helena have in May?
When are sunrise and sunset in May in Santa Helena?
How many hours of sunshine does Santa Helena have in May?
What are the months with the highest UV index in Santa Helena?
What is the UV index reading in May in Santa Helena?
Average temperature in May
Santa Helena, Colombia
- Average high temperature in May: 23°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is November (22°C).
- Average low temperature in May: 13.1°C
The month with the highest average low temperature is April (13.4°C).
The coldest month (with the lowest average low temperature) is July (11.6°C).
Average pressure in May
Santa Helena, Colombia
- Average pressure in May: 1012.1mbar
The months with the highest atmospheric pressure are May and September (1012.1mbar).
The month with the lowest atmospheric pressure is February (1011.4mbar).
Average wind speed in May
Santa Helena, Colombia
- Average wind speed in May: 3.2km/h
The windiest month (with the highest average wind speed) is July (4.3km/h).
The calmest month (with the lowest average wind speed) is November (2.7km/h).
Average humidity in May
Santa Helena, Colombia
- Average humidity in May: 85%
The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is August (77%).
Average rainfall in May
Santa Helena, Colombia
- Average rainfall in May: 246mm
The wettest month (with the highest rainfall) is April (276mm).
The driest month (with the least rainfall) is January (82mm).
Average rainfall days in May
Santa Helena, Colombia
- Average rainfall days in May: 29.5 days
The month with the highest number of rainy days is May (29.5 days).
The month with the least rainy days is January (21.3 days).
Average daylight in May /
Average sunshine in May
Santa Helena, Colombia
- Average daylight in May: 12h and 2min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in May
Santa Helena, Colombia
- Average sunshine days in May: 0.8 days
The month with the most sunshine days is January (7.1 days).
The month with the least sunshine days is November (0.6 days).
Average UV index in May
Santa Helena, Colombia
- Average UV index in May: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 5).
The month with the lowest UV index is October (UV index 4).
Average cloud cover in May
Santa Helena, Colombia
- Average cloud cover in May: 58
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in May
Santa Helena, Colombia
- Average visibility in May: 7km
The months with the highest visibility are June, July, August and September (8km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (7km).
Santa Helena, Colombia
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