May weather forecastRiet Vlei, Lesotho

May

Weather in May

The last month of the autumn, May, is another refreshing month in Riet Vlei, Lesotho, with an average temperature ranging between max 18.5°C (65.3°F) and min 6.8°C (44.2°F).

Temperature

The average high-temperature for May is a comfortable 18.5°C (65.3°F), closely aligning with the temperature of the preceding month. Throughout the month of May, the average temperature dips to a frosty 6.8°C (44.2°F) at night.

Humidity

In May, the average relative humidity is 52%.

Rainfall

In May, in Riet Vlei, the rain falls for 4.9 days. Throughout May, 12mm (0.47") of precipitation is accumulated. Throughout the year, in Riet Vlei, there are 107.2 rainfall days, and 417mm (16.42") of precipitation is accumulated.

Snowfall

January through May, July through December are months without snowfall.

Daylight

In May, the average length of the day is 10h and 37min.
On the first day of May in Riet Vlei, sunrise is at 06:40 and sunset at 17:35. On the last day of the month, sunrise is at 06:58 and sunset at 17:18 SAST.

Sunshine

In May, the average sunshine in Riet Vlei is 7.5h.

UV index

May through July, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 3 in May translates into this advice:
Make use of precautions - It is urged to ward off sun damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In May, in Riet Vlei, the average high-temperature is 18.5°C (65.3°F), and the average low-temperature is 6.8°C (44.2°F). In January, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 28°C (82.4°F).

The average relative humidity in May is 52%.

In May, in Riet Vlei, the rain falls for 4.9 days. Throughout May, 12mm (0.47") of precipitation is accumulated.

In Riet Vlei, snow does not fall in January through May, July through December.

In Riet Vlei, in May, it doesn't snow. In June, it regularly snows.

In May, the average day length in Riet Vlei, Lesotho, is 10h and 37min.

In May, on the first day of the month, sunrise is at 06:40 and sunset at 17:35. On the last day of the month, in Riet Vlei, sunrise is at 06:58 and sunset at 17:18 SAST.

In May, the average sunshine duration is 7.5h.

May through July, with an average maximum UV index of 3, are months with the lowest UV index in Riet Vlei.

The average daily maximum UV index in May in Riet Vlei, Lesotho, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

20.8°C

18.5°C

14.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.1km/h

9.1km/h

10.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

17.7

25.1

25.3

Average UV index

Average cloud cover

19%

11%

Average visibility

10km

Average temperature in May
Riet Vlei, Lesotho

Average high temperature in May: 18.5°C

The warmest month (with the highest average high temperature) is January (28°C).
The month with the lowest average high temperature is June (14.7°C).

Average low temperature in May: 6.8°C

The month with the highest average low temperature is January (16.7°C).
The coldest month (with the lowest average low temperature) is July (3.1°C).

Average pressure in May
Riet Vlei, Lesotho

Average pressure in May: 1021.7mbar

The month with the highest atmospheric pressure is July (1025.2mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).

Average wind speed in May
Riet Vlei, Lesotho

Average wind speed in May: 8.1km/h

The windiest month (with the highest average wind speed) is November (13.3km/h).
The calmest month (with the lowest average wind speed) is May (8.1km/h).

Average humidity in May
Riet Vlei, Lesotho

Average humidity in May: 52%

The months with the highest relative humidity are February and April (55%).
The month with the lowest relative humidity is September (33%).

Average rainfall in May
Riet Vlei, Lesotho

Average rainfall in May: 12mm

The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (6mm).

Average rainfall days in May
Riet Vlei, Lesotho

Average rainfall days in May: 4.9 days

The month with the highest number of rainy days is January (16.1 days).
The month with the least rainy days is July (3 days).

Average snowfall in May
Riet Vlei, Lesotho

Average snowfall in May: 0mm

The month with the highest snowfall is June (2mm).
The months with the least snowfall are January, February, March, April, May, July, August, September, October, November and December (0mm).

Average snowfall days in May
Riet Vlei, Lesotho

Average snowfall days in May: 0 days

The month with the highest number of snowfall days is June (0.4 days).
The months with the least snowfall days are January, February, March, April, May, August, September, October, November and December (0 days).

Average daylight in May /
Average sunshine in May
Riet Vlei, Lesotho

Average daylight in May: 10h and 36min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 12min).

Average sunshine in May: 7h and 30min

The month with the most sunshine is November (Average sunshine: 11h and 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).

Average sunshine days in May
Riet Vlei, Lesotho

Average sunshine days in May: 25.1 days

The month with the most sunshine days is July (27.4 days).
The month with the least sunshine days is January (11.4 days).

Average UV index in May
Riet Vlei, Lesotho

Average UV index in May: 3

The months with the highest UV index are January, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 3).

Average cloud cover in May
Riet Vlei, Lesotho

Average cloud cover in May: 11

The month with the most cloud cover is February (Cloud cover 20).
The month with the least cloud cover is August (Cloud cover 8).

Average visibility in May
Riet Vlei, Lesotho

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).