When is the best time to go to Koster

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The chart above shows the best time of year to visit Koster, South Africa. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.

Average temperatures in Koster

Koster weather by month

Please note our recommendations for when to visit Koster are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.

January

Koster January weather averages
Temp Rain Sunshine Day length
25°C 135mm 9hrs 14.4hrs

Koster's weather in January is typically warm and wet in nature.

Based on weather alone, this is probably a time of year to avoid going to Koster for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.

January is in the summer in Koster and is typically the coldest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 15°C (60°F) is normal.

On average January is the driest month of the year in Koster with around 135mm 5.3 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 9 hours of sunshine per day.

Koster weather in January »

February

Koster February weather averages
Temp Rain Sunshine Day length
24°C 95mm 8.9hrs 13.8hrs

February in Koster is generally a little damp with the temperature being warm.

Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Koster.

February is in the summer in Koster and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 15°C (59°F) is normal.

On average February is the 2nd driest month of the year in Koster with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.9 hours of sunshine per day.

Koster weather in February »

March

Koster March weather averages
Temp Rain Sunshine Day length
23°C 91mm 8.8hrs 13hrs

The weather in March in Koster is characteristically warm and a little damp.

Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Koster.

March is in the fall / autumn in Koster and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 13°C (56°F) is normal.

On average March is the 3rd driest month of the year in Koster with around 91mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

Koster weather in March »

April

Koster April weather averages
Temp Rain Sunshine Day length
21°C 67mm 8.8hrs 12.3hrs

Koster's weather in April is typically mild and reasonably dry in nature.

Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Koster.

April is in the fall / autumn in Koster and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (74°F), whilst at night 10°C (49°F) is normal.

On average April is the 4th driest month of the year in Koster with around 67mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

Koster weather in April »

May

Koster May weather averages
Temp Rain Sunshine Day length
19°C 15mm 9.8hrs 11.7hrs

May is a dry month in Koster and the temperature is generally mild.

It is perhaps the perfect month to visit Koster, with some surprisingly good weather at this time of year.

May is in the fall / autumn in Koster and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 5°C (42°F) is normal.

On average May is the 5th driest month of the year in Koster with around 15mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.8 hours of sunshine per day.

Koster weather in May »

June

Koster June weather averages
Temp Rain Sunshine Day length
16°C 8mm 9.7hrs 14.4hrs

The climate in Koster during June can be summarized as cool and very dry.

It is perhaps a good month to visit Koster, with some extremely good weather at this time of year.

June is in the winter in Koster and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 2°C (35°F) is normal.

On average June is the 6th driest month of the year in Koster with around 8mm 0.3 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 9.7 hours of sunshine per day.

Koster weather in June »

July

Koster July weather averages
Temp Rain Sunshine Day length
16°C 4mm 10.4hrs 13.8hrs

July in Koster is generally very dry with the temperature being cool.

It is perhaps a good month to visit Koster, with some surprisingly good weather at this time of year.

July is in the winter in Koster and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 2°C (35°F) is normal.

On average July is the 6th wettest month of the year in Koster with around 4mm 0.2 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 10.4 hours of sunshine per day.

Koster weather in July »

August

Koster August weather averages
Temp Rain Sunshine Day length
19°C 9mm 10.9hrs 13hrs

The weather in August in Koster is characteristically mild and very dry.

It is perhaps the perfect month to visit Koster, with some inordinately good weather at this time of year.

August is in the winter in Koster and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 21°C (70°F), whilst at night 4°C (40°F) is normal.

On average August is the 5th wettest month of the year in Koster with around 9mm 0.4 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 10.9 hours of sunshine per day.

Koster weather in August »

September

Koster September weather averages
Temp Rain Sunshine Day length
22°C 23mm 10.6hrs 12.3hrs

Koster's weather in September is typically mild and dry in nature.

It is perhaps the perfect month to visit Koster, with some very good weather at this time of year.

September is in the spring in Koster and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 9°C (48°F) is normal.

On average September is the 4th wettest month of the year in Koster with around 23mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.6 hours of sunshine per day.

Koster weather in September »

October

Koster October weather averages
Temp Rain Sunshine Day length
24°C 57mm 9.7hrs 11.7hrs

October is a reasonably dry month in Koster and the temperature is generally warm.

It is perhaps a good month to visit Koster, with some extremely good weather at this time of year.

October is in the spring in Koster and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 11°C (53°F) is normal.

On average October is the 3rd wettest month of the year in Koster with around 57mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.7 hours of sunshine per day.

Koster weather in October »

November

Koster November weather averages
Temp Rain Sunshine Day length
24°C 89mm 9.2hrs 14.4hrs

November in Koster is generally a little damp with the temperature being warm.

Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Koster.

November is in the spring in Koster and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 13°C (56°F) is normal.

On average November is the 2nd wettest month of the year in Koster with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.2 hours of sunshine per day.

Koster weather in November »

December

Koster December weather averages
Temp Rain Sunshine Day length
25°C 107mm 9.3hrs 13.8hrs

December in Koster is generally damp with the temperature being warm.

Based on weather alone, this is probably a time of year to avoid going to Koster for your holidays. The weather is often not a good and not conducive to spending time outdoors.

December is in the summer in Koster and is typically the warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 15°C (58°F) is normal.

On average December is the wettest month of the year in Koster with around 107mm 4.2 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.3 hours of sunshine per day.

Koster weather in December »

Other monthly averages

UV index Best time to go?

Koster weather stats

Koster weather statistics
Hottest month: January 27.6°C 81.7°F
Driest month: July 4mm 0.2ins
Sunniest month: August 10.9hrs
Coldest month: June 17.3°C 63.1°F
Wettest month: January 135mm 5.3ins
Warmest sea: February 24°C 75.2°F
Map showing location of Koster (-25.86301, 26.89756) Koster map pin © Google

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