Kathu Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kathu.
Climate overview of Kathu
Kathu, Phuket Province, Thailand, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 30°C (86°F), peaking in April at 30°C (86°F) and dipping in October to 29°C (84°F).
Rainfall is high, totalling around 2214 mm (87 in) per year. October is the wettest month and February the driest. The city also experiences a distinct rainy season from May to November. Sunshine peaks in January, when the city sees around 7.8 hours of sunshine per day.
Kathu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kathu - and find the best time to visit.
Monthly Temperature in Kathu
With minimal seasonal shifts, Kathu experiences a constant climate year-round. Average maximum daytime temperatures range from a very warm 30°C (86°F) in April, the warmest time of the year, to a comfortable 29°C (84°F) during cooler months like October.
At night, you can expect temperatures ranging from 27°C (81°F) in April to around 26°C (79°F) during October.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kathu
Kathu has a notably wet climate with abundant precipitation, recording 2214 mm (87 in) of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 309 mm (12 in) of precipitation, recorded across 22 rainy days. In contrast, the driest month February brings less rainfall, with 30 mm (1.2 in) over 3 rainy days. For more details, please visit our Kathu Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Kathu
Seasonal changes in sunshine hours are quite dramatic in Kathu. While January receives considerable daily sunshine with up to 7.8 hours, September marks the darkest time of the year, where sunshine is scarce with only 3.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Kathu
The mean water temperature over the year ranges from 27°C (81°F) in January to 30°C (86°F) in May.
Water temperature over the year
Humidity in Kathu by Month
The relative humidity is high throughout the year in Kathu.
The city experiences its highest humidity in August, reaching 82%. In January, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Kathu
The mean wind speed varies between 1 m/s (2 knots) and 3 m/s (6 knots) throughout the year. It is lowest in November and highest during June, July, August and September. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Kathu
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: February and December
- Warmest weather: all year round
- Most sunshine: January
- Fewest rainy days: January, February and March
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
- Seasonal pattern: A distinct rainy season from May to November
Frequently asked questions about the climate in Kathu
What is the best time to visit Kathu?
February and December typically offer the most optimal weather in Kathu. In contrast, May, June, July, August, September and October tend to have less optimal conditions. Kathu has a distinct rainy season from May to November.
What temperatures can I expect in Kathu?
Daytime highs range from 29°C (84°F) in October to 30°C (86°F) in April. Nighttime lows range from 26°C (79°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Kathu get?
Annual rainfall is around 2214 mm (87 in). October is the wettest month with 309 mm (12 in), while February is the driest with 30 mm (1.2 in).
How sunny is Kathu?
Kathu receives around 2,066 hours of sunshine per year. January is the sunniest month with 235 hours, while September is the cloudiest with just 100 hours. Overall, Kathu enjoys abundant sunshine.
Kathu 3-Day Forecast
Kathu 3-Day Forecast
Kathu on the map
Kathu is highlighted - select any city to see its climate.
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