Climate and monthly weather forecast
Ruacana, Namibia

Climate and monthly weather forecast

The climate of Ruacana

Ruacana, Namibia is located within the climatic boundaries of the BSh Köppen climate classification, known as the subtropical steppe. Given this classification, the climate presents traits identified with semi-arid conditions alongside warmer tendencies.

Weather conditions in Ruacana reflect a yearly trot of temperature, humidity, and rainfall variations. Skewing towards generally high temperatures, the warmest months are October and November, reaching up to 35.7°C (96.3°F) and 34.6°C (94.3°F), respectively. Even the coldest months, June and July, show a low temperature no less than 11.3°C (52.3°F).

Throughout the year, Ruacana experiences a relative humidity on average fluctuating from 18% to 55%. The driest period is seen from May to September with relative humidity hovering around 18% to 33%. In contrast, the most humid conditions prevail from February to March, where relative humidity peaks at 55%.

Ruacana annually receives up to 308mm (12.13") of rainfall, mostly occurring between January to March. The period from May to September is the driest known to this region, yielding practically no precipitation. Wind speed shows minimal fluctuation throughout months, averagely remaining between 9.4km/h (5.8mph) to 13.1km/h (8.1mph), with the swift breezes usually in July reaching up to 22.1km/h (13.7mph).

The best time to visit Ruacana

The best time to visit Ruacana relishes the months from May to September. During these months, the weather stays reasonably warm, presenting average temperatures from 26.7°C (80.1°F) to 30.1°C (86.2°F). At the same time, the region falls into a dry period, receiving almost no rainfall. This span also reveals the clearest skies, with cloud cover at the bare minimum and relative humidity lost in the range of 21% to 33%. Visitors can expect to enjoy long sunny days, with daylight hours roughly around 11 to 11.5 hours per day.

The worst time to visit Ruacana

January and February denote the least favorable months to visit Ruacana due to high humidity and substantial rainfall. These months bear a humidity that reaches up to 51% and 55% respectively, which could create a tad uncomfortable climate. Additionally, these months account for the most rainfall in Ruacana, 83mm (3.27") and 70mm (2.76") in averages.

Spring weather in Ruacana

Spring in Ruacana, spanning from September to November, is characterized by steadily increasing temperatures with a peak in November at 35.7°C (96.3°F). Precipitation remains minimal during this period, with September only observing 1mm (0.04") of rainfall and gradually increasing in November to 47mm (1.85").

Summer weather in Ruacana

Months from December to February represent Ruacana's Summer, showing a slightly cooler period compared to Spring. December sees an average high of 32°C (89.6°F), while January and February observe a minor decline, with an average of 31.5°C (88.7°F) and 31°C (87.8°F) respectively. These months are also the wettest with an average rainfall of 78mm (3.07") to 83mm (3.27").

Autumn weather in Ruacana

Autumn months, which continue from March to May in Ruacana, witness a considerable drop in temperatures, spending mild days between 26.8°C (80.2°F) to 30.2°C (86.4°F), and cooler nights from 20.1°C (68.2°F) to 23.2°C (73.8°F). This period is typically dry, with a minor 70mm (2.76") rainfall in March followed by almost no rainfall in April and May.

Winter weather in Ruacana

Winter months in Ruacana, stretching from June to August, present the coldest temperatures of the year. Highs drop noticeably to 26.7°C (80.1°F) in June and slightly rise to 30.8°C (87.4°F) by August. Mornings and nights are comparably cooler, where lows drop to 11.3°C (52.3°F) in June. These months are predominantly arid, recording almost no rainfall throughout.

Weather in January

January in Ruacana, Namibia experiences a heavy wet spell with the highest rainfall of 83mm (3.27") occurring this month. With this onset of the rainy season, clouds often obscure the sun, limiting the sunshine to 9.4 hours a day. Weather in January »

Weather in February

As the calendar moves to February, the weather in Ruacana shifts subtly. Rainfall slightly decreases to 70mm (2.76") making it slightly drier than January. Despite this, humidity levels rise, showcasing the typical hot and wet subtropical climate. Weather in February »

Weather in March

March witnesses a slight cooldown in Ruacana's weather cycle. The city experiences a decrease in maximum temperatures to 30.2°C (86.4°F), and a negligible increase in rainfall to 70mm (2.76"). Transitioning towards autumn, this month brings mild temperatures with reduced daylight hours for the city's inhabitants. Weather in March »

Weather in April

April marks a significant drop in both temperature and rainfall. Rain showers decrease dramatically to a minimal 19mm (0.75"), while temperatures experience a minimal reduction. The decrease in cloud cover allows for increased sunshine, averaging 9.4 hours daily. Weather in April »

Weather in May

By May, Ruacana utterly transforms into its winter weather. Rain is a rare occurrence, with a record low rainfall registering no measurable precipitation for the month. As temperatures continue to drop, a stark reduction in relative humidity indicates the onset of winter. Weather in May »

Weather in June

June showcases the core winter weather in Ruacana. The city's temperatures continue to decline, accompanied by zero rainfall. The sunshine, however, is plentiful, counter-balancing the cooler temperatures with warmth. In contrast to the typical winters experienced in many parts of the world, Ruacana's winter months involve clear skies, moderate temperatures, and calm winds. Weather in June »

Weather in July

Continuing with winter’s influence, July witnesses the coldest temperatures in Ruacana. Marked by temperatures dipping to the year's record low of 11.3°C (52.3°F), July is the coolest month in the city's cycle. The robust Namibian sunshine continues to persist, the dry and sunny weather being the standard in this part of the world during winters. Weather in July »

Weather in August

In August, Ruacana begins to transition from winter to spring. The city experiences a slight increase in temperatures compared to July. Still, rains are scarce, and the clear skies allow for abundant sunshine. As the weeks progress, the wind's cool edge slowly begins to soften, filling the air with an aura of impending change. Weather in August »

Weather in September

September brings noticeable changes in Ruacana's weather. It is dominated by a spike in day temperatures reaching 34.6°C (94.3°F), the highest after the summer months. As the city warms up, the relative humidity remains low. Despite the heat, rains remain a rare occurrence, making the weather relatively dry. Weather in September »

Weather in October

As October arrives, the temperatures in Ruacana continue to soar, making it the hottest month of the year with a maximum temperature of 35.7°C (96.3°F). Despite the intense heat, Ruacana sees a significant increase in rainfall, from 1mm (0.04") in September to 11mm (0.43") in October. Weather in October »

Weather in November

In November, Ruacana witnesses a slight dip in temperature but experiences a considerable increase in rainfall. The city receives 47mm (1.85") of rain, marking the onset of the wet season. Changes in weather patterns render longer daylight hours and increased cloud cover. Weather in November »

Weather in December

Rounding off the year, December in Ruacana carries a blend of warm temperatures and wet circumstances. With rainfall reaching 78mm (3.07"), it is the second wettest month of the year. The rise in relative humidity coupled with the warm temperatures provide a true tropical climate feel to the city. Weather in December »

Frequently asked questions

What is the wettest month?
The month with the most rainfall is January, when the rain falls for 17.8 days and typically aggregates up to 83mm (3.27") of precipitation.
How many days does it rain in Ruacana?
In Ruacana, during the entire year, the rain falls for 100.8 days and collects up to 379mm (14.92") of precipitation.
When is the highest UV index?
January, September through December, with an average maximum UV index of 7, are months with the highest UV index.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 9.2h of sunshine.
What is the most humid month?
With an average relative humidity of 55%, March is the most humid month.
What is the driest month?
May through August are months without rainfall.
What part of the year is the coldest?
In Ruacana, June is the coldest month, with temperatures averaging a high of 26.7°C (80.1°F) and a low of 12°C (53.6°F).
What is the month with the shortest days in Ruacana?
June has the shortest days of the year, with an average of 11h and 6min of daylight.
When is the lowest UV index?
The months with the lowest UV index are June and July, with an average maximum UV index of 5.
What are the months with the most sunshine?
The months with the most sunshine are August and September, with an average of 10h of sunshine.
What is the least humid month?
With an average relative humidity of 18%, September is the least humid month.
When does it rain?
Months with rainfall are January through April, September through December.
What are the warmest months?
October is the warmest month, with an average high-temperature of 35.7°C (96.3°F) and an average low-temperature of 21.1°C (70°F).
When are the longest days?
With an average of 13h and 12min of daylight, December has the longest days of the year.
Is there Daylight Saving Time (DST)?
Ruacana does not observe Daylight Saving Time (DST). CAT timezone is used over the entire year.
Average temperature
Ruacana, Namibia

The warmest month (with the highest average high temperature) is October (35.7°C).
The month with the lowest average high temperature is June (26.7°C).

The month with the highest average low temperature is November (23.3°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).

Average pressure
Ruacana, Namibia

The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).

Average wind speed
Ruacana, Namibia

The windiest month (with the highest average wind speed) is July (13.1km/h).
The calmest month (with the lowest average wind speed) is February (9.4km/h).

Average humidity
Ruacana, Namibia

The month with the highest relative humidity is March (55%).
The month with the lowest relative humidity is September (18%).

Average rainfall
Ruacana, Namibia

The wettest month (with the highest rainfall) is January (83mm).
The driest months (with the least rainfall) are May, June, July and August (0mm).

Average rainfall days
Ruacana, Namibia

The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is July (0 days).

Average daylight / Average sunshine
Ruacana, Namibia

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).

The months with the most sunshine are August and September (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 9h and 12min).

Average sunshine days
Ruacana, Namibia

The month with the most sunshine days is July (31 days).
The month with the least sunshine days is March (10 days).

Average UV index
Ruacana, Namibia

The months with the highest UV index are January, September, October, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 5).

Average visibility
Ruacana, Namibia

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).

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