Pattaya is the city in south-eastern part of Thailand. It is famous resort city on eastern coast of the Gulf of Thailand in 165 km (102 mi.) to south-east from Bangkok. The city lies on the plateau with gentle slopes to narrow coastal plains. The sea is warm year round with range of temperatures between 28 °C (82 °F) and 30 °C (86 °F).

Climate in Pattaya is typical subequatorial with minor temperature variations and pronounced rainy season. Influence of monsoon winds is less pronounced than on islands or in other resort localities. For instance annual amount of precipitation in Pattaya is only half of it on Phuket. There is minor peak of rainy season in May-June followed by lull in July-august and major peak in September-October.

Seasons

Contents:

• Spring
• Summer
• Autumn
• Winter

Spring in Pattaya

Spring weather in Pattaya is hot and humid. Daytime average temperature is around 33 °C (91 °F) and at night air cools down to 25-27 °C (77-80 °F). The sea has about 30 °C (86 °F), so this is not the best way to hide from afternoon heat. In addition water near the city is not the cleanest and with mentioned temperature it becomes positive environment for bacteria. The sea is much cleaner around Ko Lan Island.

May marks the beginning of rainy season and same it is minor peak of rainfall. There are around 13 rainy days in May. Air humidity grows and combines with heat to create quite uncomfortable weather, though it is more tolerable than in southern regions of the country.

Climate of the Spring Months

March Max average t°: +31°C (85 °F) Min average t°: +26 °C (88 °F) Sundial in the day: 9 hours Rainy days: 9 days Precipitation: 69 mm (2.7")

April Max average t°: +31.5 °C (85 °F) Min average t°: +26.5 °C (89 °F) Sundial in the day: 9.5 hours Rainy days: 11 days Precipitation: 94 mm (3.7")

May Max average t°: +31 °C (84 °F) Min average t°: +26.5 °C (87 °F) Sundial in the day: 10 hours Rainy days: 17 days Precipitation: 161 mm (6.3")

Spring Holidays

March – Pattaya International Music Festival.
March 13 – National Elephant Day.

April 6 – Chakri Memorial Day.
April 13-15 – Songkran Festival.

May – Pattaya Mountain Bike Challenge, Miss Tiffany’s Universe, Top Of The Gulf Yachting Regatta, Fruit festival. Royal Ploughing Ceremony and Farmer’s Day.
May (full moon in 6th Thai lunar month) – Vesak.
May 1 – Labor Day.

Summer in Pattaya

Summer months are bit cooler and less rainy than May, but the air is more humid, so overall comfort of weather is lower. Amount of precipitation decreases lowers towards July and then grows again in August. Approximately each third day is rainy, but sun is still active for showers are fast. Probability of sunburn is high even in cloudy days.

In general summer weather in Pattaya is acceptable, but only if there is no way to schedule travel on more comfortable winter months. Also this season is completely unsuitable for family vacation as well as the city in general.

Climate of the Summer Months

June Max average t°: +30 °C (86 °F) Min average t°: +26 °C (79 °F) Sundial in the day: 10 hours Rainy days: 17 days Precipitation: 148 mm (5.8")

July Max average t°: +30 °C (86 °F) Min average t°: +26 °C (79 °F) Sundial in the day: 10 hours Rainy days: 18 days Precipitation: 156 mm (6.1")

August Max average t°: +30 °C (86 °F) Min average t°: +26 °C (78 °F) Sundial in the day: 10 hours Rainy days: 18 days Precipitation: 159 mm (6.2")

Summer Holidays

July 28 – H.M. the King’s Birthday.
July – Pattaya International Marathon.
July (full moon in 8th Thai lunar month) – Asalha Puja.
July (first waning moon in 8th Thai lunar month) – Beginning of Vassa.

August 1 – Thai Women’s Day.
August 12 – H.M. Queen Sirikit’s Birthday.

Autumn in Pattaya

Major peak of rainy season is in September and October. There is only around one week of total dry days in each of these months. Though, usually it rains at night and shower lasts for around hour, so by morning ground dries. The sea is as warm as always and relatively calm. Daily temperature average is in range of 24-31 °C (75-88 °F).

November is transitional month. Monsoon calms down day by day. Late November is the begging of dry and “cool” season. Change of temperature is minor, but at least air becomes drier, though weather is rather unpredictable during whole month.

Climate of the Autumn Months

September Max average t°: +29 °C (85 °F) Min average t°: +25 °C (77 °F) Sundial in the day: 9.5 hours Rainy days: 18 days Precipitation: 246 mm (9.7")

October Max average t°: +29 °C (85 °F) Min average t°: +24.5 °C (76 °F) Sundial in the day: 8.5 hours Rainy days: 17 days Precipitation: 225 mm (8.9")

November Max average t°: +30 °C (86 °F) Min average t°: +24 °C (75 °F) Sundial in the day: 9 hours Rainy days: 6 days Precipitation: 57 mm (2.2")

Autumn Holidays

October – Pattaya Vegetarian Festival, Pattaya Buffalo Races.
October 13 – H.M. King Bhumibol Adulyadej Memorial Day.
October 23 – King Chulalonkorn Day.

November – FIVB Beach Volleyball Pattaya Open, Miss International Queen, Pattaya Indo China Long Boat Racing, Pattaya International Fireworks Festival, Loi Krathong Festival.

Winter in Pattaya

Winter is the driest and most comfortable season in Pattaya. It rains exceptionally rare, so air humidity reaches comfortable level. Days are as warm as they were before, but nights are cooler than usually. After sun sets air cools down to pleasant 22 °C (71 °F). The sea cools down to 26-27 °C (≈80 °F). Overall sate of weather in winter is close to perfect, though precaution measures against active sun and other features of tropical countries are not to be neglected.

Climate of the Winter Months

December Max average t°: +30 °C (85 °F) Min average t°: +22 °C (72 °F) Sundial in the day: 9 hours Rainy days: 3 day Precipitation: 15 mm (0.6")

January Max average t°: +30 °C (86 °F) Min average t°: +22 °C (72 °F) Sundial in the day: 9 hours Rainy days: 4 days Precipitation: 30 mm (1.2")

February Max average t°: +30 °C (87 °F) Min average t°: +24 °C (74 °F) Sundial in the day: 9 hours Rainy days: 5 days Precipitation: 30 mm (1.2")

Winter Holidays

December – Jet Ski King’s Cup, Pattaya International Beach Football.
December 5 – King Bhumibol Adulyadej’s Birthday Anniversary.
December 10 – Constitution Day.
December 31 – New Year’s Eve.

January – Pattaya International Bed Race, Pattaya Windsurfing Championship.
January 1 – New Year’s Day.
2nd Saturday of January – Children’s Day.
January or February – Pattaya Carnival, Chinese New Year.

February – Burapa Pattaya Bike Week, Pattaya Family Bike Day, Honda LPGA Thailand, World’s Longest Kiss Competition, PTT Pattaya Tennis Open.
February (full moon in 3rd Thai lunar month) – Magha Puja.
February 14 – St Valentine’s Day.