May weather forecastHerefords, Swaziland
May
Weather in May
May's weather is a marked departure from the high temperature and humidity levels of preceding months. It introduces a cooler climate to Herefords, Swaziland with the wind speed remaining close to that of April. The average rainfall reaches a negligible 6mm (0.24"), indicating that the rain has significantly receded. Though cooler temperatures can be enjoyed, the reduced rainfall brings about considerably drier conditions. Come June, a further drop in temperature is anticipated.Temperature
Herefords's average high-temperature in May is a still moderately hot 25.7°C (78.3°F), indicating a subtle variation from April. The nighttime temperature during May exhibits a clear drop from daytime highs, settling at a mild 13.3°C (55.9°F).Humidity
In May, the average relative humidity is 66%.Rainfall
In Herefords, Swaziland, in May, during 5.7 rainfall days, 6mm (0.24") of precipitation is typically accumulated. Throughout the year, there are 138.5 rainfall days, and 488mm (19.21") of precipitation is accumulated.Daylight
In Herefords, the average length of the day in May is 10h and 51min.On the first day of May, sunrise is at 06:17 and sunset at 17:24. On the last day of the month, sunrise is at 06:33 and sunset at 17:10 SAST.
Sunshine
In Herefords, the average sunshine in May is 7.3h.UV index
April through August, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Herefords, Swaziland
- Average high temperature in May: 25.7°C
The warmest month (with the highest average high temperature) is December (29.1°C).
The month with the lowest average high temperature is July (23°C).
- Average low temperature in May: 13.3°C
The months with the highest average low temperature are January and February (19°C).
The coldest month (with the lowest average low temperature) is June (10.6°C).
Average pressure in May
Herefords, Swaziland
- Average pressure in May: 1020.4mbar
The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1013.7mbar).
Average wind speed in May
Herefords, Swaziland
- Average wind speed in May: 6.4km/h
The windiest month (with the highest average wind speed) is September (8.5km/h).
The calmest months (with the lowest average wind speed) are March and May (6.4km/h).
Average humidity in May
Herefords, Swaziland
- Average humidity in May: 66%
The months with the highest relative humidity are January, February and March (78%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall in May
Herefords, Swaziland
- Average rainfall in May: 6mm
The wettest month (with the highest rainfall) is December (94mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in May
Herefords, Swaziland
- Average rainfall days in May: 5.7 days
The month with the highest number of rainy days is December (20.5 days).
The month with the least rainy days is June (1.8 days).
Average daylight in May /
Average sunshine in May
Herefords, Swaziland
- Average daylight in May: 10h and 54min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in May: 7h and 18min
The month with the most sunshine is February (Average sunshine: 9h and 18min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).
Average sunshine days in May
Herefords, Swaziland
- Average sunshine days in May: 23.8 days
The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in May
Herefords, Swaziland
- Average UV index in May: 5
The months with the highest UV index are January, February, March, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July and August (UV index 5).
Average cloud cover in May
Herefords, Swaziland
- Average cloud cover in May: 18
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in May
Herefords, Swaziland
- Average visibility in May: 9km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
