July · Thailand weather
Thailand in July: Weather, What to Expect & Where to Go
July is similar to June — wet on the Andaman side, dry-ish elsewhere — but with a stronger cultural overlay. Khao Phansa marks the start of Buddhist Lent, and the candle festivals in Isaan are some of the most photogenic events on the calendar.
Best region
Gulf
Still on the dry calendar. Reliable sun on Samui, Phangan, and Tao.
Avoid
Andaman
Mid-monsoon. Long stretches of rain and rough seas.
Good for
Isaan candle festivals, Gulf beaches, Chiang Mai
July weather, region by region
Average temperatures and rainfall across Thailand's five climate regions in July. Tap the climate map on the homepage for an interactive month-by-month view.
| Region | Avg temp | Rainfall | Visit rating |
|---|---|---|---|
North Chiang Mai | 27°C | 160mm | Great |
Northeast Nakhon Ratchasima (Korat) | 28°C | 210mm | Good |
Central Bangkok | 29°C | 160mm | Great |
Andaman Phuket | 28°C | 320mm | Good |
Gulf Koh Samui | 29°C | 120mm | Great |
City spotlights
One city per region — what July actually feels like on the ground, and what to do or skip.
North
Chiang Mai
Wet and green. Afternoon storms most days, but mornings are usually bright and the air is clear.
Year-round climate
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Northeast
Nakhon Ratchasima (Korat)
Steady wet-season rhythm: dry mornings, afternoon storms. If you can stretch your trip to Ubon Ratchathani further east, the candle festival around Khao Phansa is unmissable.
Year-round climate
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Central
Bangkok
Sticky and rainy. Manageable if you accept the rhythm of dry mornings and wet afternoons.
Year-round climate
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Andaman
Phuket
Mid-monsoon. Most dive operators have shut down by now; beaches see rip currents.
Year-round climate
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Gulf
Koh Samui
Reliable sun on the Gulf islands. The best beach option in Thailand this month.
Year-round climate
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Events & festivals in July
Asalha Puja
Buddhist holiday marking the Buddha's first sermon. Temples are busy with candle processions — beautiful and very local.
Khao Phansa (Buddhist Lent begins)
Start of the three-month rains retreat for monks. Look out for candle festivals across Isaan — Ubon Ratchathani's is the most famous.
Is July a good time to visit Thailand?
Yes, with the right plan. Pick the Gulf for beaches, Isaan for culture, or the north for green-season landscapes. Skip the Andaman coast.
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Thailand in June
Gulf islands, Chiang Mai's green season, value travel
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Thailand in August
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