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 snowfall in May
- Average snowfall 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
May
Weather in May
Temperature
The average high-temperature during May is a still pleasant 20.5°C (68.9°F), almost matching the conditions of the preceding month. An average low-temperature of 10.8°C (51.4°F) is noted during the month of May.Humidity
The average relative humidity in May is 47%.Rainfall
May and August are months with the least rain when the rain falls for 3.5 days and typically aggregates up to 4mm (0.16") of rain.Snowfall
In Rosmead, snow does not fall in January through July, September through December.Daylight
In Rosmead, the average length of the day in May is 10h and 31min.On the first day of May in Rosmead, sunrise is at 06:50 and sunset at 17:42. On the last day of the month, sunrise is at 07:10 and sunset at 17:24 SAST.
Sunshine
The average sunshine in May is 7.4h.UV index
May through July and September, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during May leads to these advisories:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
What is the driest month?
How many days does it rain in May?
When it does not snow in Rosmead?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Rosmead have in May?
What are the months with the lowest UV index?
How high is the UV index in May?
Average temperature in May
Rosmead, South Africa
- Average high temperature in May: 20.5°C
The warmest month (with the highest average high temperature) is January (29.1°C).
The months with the lowest average high temperature are June and July (16.8°C).
- Average low temperature in May: 10.8°C
The month with the highest average low temperature is February (17.1°C).
The coldest month (with the lowest average low temperature) is July (6.8°C).
Average pressure in May
Rosmead, South Africa
- Average pressure in May: 1019.5mbar
The month with the highest atmospheric pressure is July (1023.5mbar).
The month with the lowest atmospheric pressure is January (1012.6mbar).
Average wind speed in May
Rosmead, South Africa
- Average wind speed in May: 12.1km/h
The windiest month (with the highest average wind speed) is June (14.7km/h).
The calmest month (with the lowest average wind speed) is April (10.8km/h).
Average humidity in May
Rosmead, South Africa
- Average humidity in May: 47%
The month with the highest relative humidity is February (54%).
The month with the lowest relative humidity is September (42%).
Average rainfall in May
Rosmead, South Africa
- Average rainfall in May: 4mm
The wettest month (with the highest rainfall) is January (28mm).
The driest months (with the least rainfall) are May and August (4mm).
Average rainfall days in May
Rosmead, South Africa
- Average rainfall days in May: 3.5 days
The month with the highest number of rainy days is January (9.6 days).
The month with the least rainy days is June (2.9 days).
Average snowfall in May
Rosmead, South Africa
- Average snowfall in May: 0mm
The month with the highest snowfall is August (2mm).
The months with the least snowfall are January, February, March, April, May, June, July, September, October, November and December (0mm).
Average snowfall days in May
Rosmead, South Africa
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is August (0.3 days).
The months with the least snowfall days are January, February, March, April, May, June, July, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Rosmead, South Africa
- Average daylight in May: 10h and 3min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is November (Average sunshine: 11h and 42min).
The months with the least sunshine are June and July (Average sunshine: 7h and 18min).
Average sunshine days in May
Rosmead, South Africa
- Average sunshine days in May: 26.3 days
The months with the most sunshine days are May and July (26.3 days).
The month with the least sunshine days is February (14 days).
Average UV index in May
Rosmead, South Africa
- Average UV index in May: 4
The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June, July and September (UV index 4).
Average cloud cover in May
Rosmead, South Africa
- Average cloud cover in May: 14
The months with the most cloud cover are January, February, October and December (Cloud cover 20).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in May
Rosmead, South Africa
- 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).
