May weather forecast
Rundu, Namibia

Rundu experiences its driest month in May, with rainfall almost disappearing, registering a meagre 1mm (0.04"). The month is marked by a deep plunge in temperatures and humidity levels, transitioning from April’s semi-arid climate to a full-blown arid climate. A qualifying feature of May is the significant increase in wind speed. Besides, the length of day and sunshine hours remain nearly constant, undergoing only minute changes. Despite these developments, May ushers in a comforting cool weather, ideal for travellers and locals alike.

Temperature

As Rundu steps into May, the average high-temperature is measured at a still moderately hot 27.7°C (81.9°F), displaying minor differences from April's 28.9°C (84°F). Rundu, in May, experiences a marked contrast from daytime zeniths to a steady average low-temperature of 14.1°C (57.4°F).

Heat index

During May, the heat index is estimated at 27°C (80.6°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

In Rundu, the average relative humidity in May is 40%.

Rainfall

May is the last month it rains. During 0.9 rainfall days, in May, Rundu aggregates 1mm (0.04") of precipitation. In Rundu, during the entire year, the rain falls for 89 days and collects up to 324mm (12.76") of precipitation.

Daylight

In May, the average length of the day is 11h and 17min.
On the first day of the month, sunrise is at 06:54 and sunset at 18:21. On the last day of May, sunrise is at 07:04 and sunset at 18:12 CAT.

Sunshine

In Rundu, the average sunshine in May is 9.9h.

UV index

The months with the lowest UV index are May through July, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.