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Thailand weather

Weather in Thailand for May 2025

Your guide to Thailand weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Thailand at the beginning of May is 35.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 34.3 °C by the end of May.

    • Rain 🌧️

  • Thailand experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 141.1 mm.

    • More

  • Is May a good time to visit Thailand? check out the best time to travel to Thailand page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
2
Dry days
Average rainy days
29
Rainy days
Average snowy days
0
Snow days
Average temperatures
34°/28°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Thailand in May average weather

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate rain at times
35°
2
Patchy rain possible
34°
3
Moderate rain at times
35°
4
Patchy rain possible
35°
5
Patchy rain possible
37°
6
Moderate or heavy rain shower
35°
7
Moderate or heavy rain shower
35°
8
Patchy rain possible
36°
9
Sunny
34°
10
Moderate or heavy rain shower
34°
11
Partly cloudy
35°
12
Patchy rain possible
36°
13
Patchy rain possible
36°
14
Patchy rain possible
35°
15
Patchy rain possible
36°
16
Patchy rain possible
37°
17
Patchy rain possible
36°
18
Partly cloudy
35°
19
Patchy rain possible
37°
20
Moderate or heavy rain shower
36°
21
Partly cloudy
35°
22
Moderate or heavy rain shower
33°
23
Moderate or heavy rain shower
33°
24
Heavy rain at times
33°
25
Moderate or heavy rain shower
34°
26
Patchy rain possible
33°
27
Moderate rain at times
35°
28
Moderate or heavy rain shower
34°
29
Moderate or heavy rain shower
34°
30
Patchy rain possible
35°
31
Partly cloudy
35°
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Access Thailand weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during May in Thailand

See the weather trend as well as the moving average line
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May weather day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Moderate rain at times
Moderate rain at times
 35° /27° 5.9 mm 8
2 May Patchy rain possible
Patchy rain possible
 34° /27° 2.5 mm 8
3 May Moderate rain at times
Moderate rain at times
 35° /27° 0.3 mm 8
4 May Patchy rain possible
Patchy rain possible
 35° /27° 1.8 mm 8
5 May Patchy rain possible
Patchy rain possible
 37° /28° 0.1 mm 8
6 May Moderate or heavy rain shower
Moderate or heavy rain shower
 35° /27° 3.8 mm 8
7 May Moderate or heavy rain shower
Moderate or heavy rain shower
 35° /28° 7.9 mm 8
8 May Patchy rain possible
Patchy rain possible
 36° /27° 3.8 mm 8
9 May Sunny
Sunny
 34° /27° 6.4 mm 8
10 May Moderate or heavy rain shower
Moderate or heavy rain shower
 34° /27° 6.7 mm 7
11 May Partly cloudy
Partly cloudy
 35° /28° 4.6 mm 8
12 May Patchy rain possible
Patchy rain possible
 36° /28° 1.5 mm 8
13 May Patchy rain possible
Patchy rain possible
 36° /28° 1 mm 8
14 May Patchy rain possible
Patchy rain possible
 35° /27° 2.3 mm 8
15 May Patchy rain possible
Patchy rain possible
 36° /28° 1.3 mm 8
16 May Patchy rain possible
Patchy rain possible
 37° /28° 3.9 mm 8
17 May Patchy rain possible
Patchy rain possible
 36° /28° 7.7 mm 8
18 May Partly cloudy
Partly cloudy
 35° /28° 4.6 mm 8
19 May Patchy rain possible
Patchy rain possible
 37° /28° 2.9 mm 8
20 May Moderate or heavy rain shower
Moderate or heavy rain shower
 36° /27° 3.6 mm 8
21 May Partly cloudy
Partly cloudy
 35° /27° 9.3 mm 8
22 May Moderate or heavy rain shower
Moderate or heavy rain shower
 33° /27° 10 mm 7
23 May Moderate or heavy rain shower
Moderate or heavy rain shower
 33° /27° 6.8 mm 7
24 May Heavy rain at times
Heavy rain at times
 33° /27° 11.8 mm 7
25 May Moderate or heavy rain shower
Moderate or heavy rain shower
 34° /27° 4.8 mm 7
26 May Patchy rain possible
Patchy rain possible
 33° /27° 2.1 mm 7
27 May Moderate rain at times
Moderate rain at times
 35° /27° 3.9 mm 8
28 May Moderate or heavy rain shower
Moderate or heavy rain shower
 34° /26° 6.4 mm 8
29 May Moderate or heavy rain shower
Moderate or heavy rain shower
 34° /26° 9.1 mm 7
30 May Patchy rain possible
Patchy rain possible
 35° /27° 3.4 mm 8
31 May Partly cloudy
Partly cloudy
 35° /27° 1 mm 8
Next
Important Notice
Our weather forecast for Thailand in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Thailand forecast closer to your planned date for the most up-to-date weather information.

Guide for Thailand in May

In May, Thailand experiences a transition in weather from the beginning to the end of the month. At the start of May, the weather in Thailand is generally warm and humid, with temperatures ranging from 28° to 35° in the central and northern regions.

The southern part of the country, including popular tourist destinations like Phuket and Krabi, experiences similar temperatures, with occasional rainfall and high humidity.

As the month progresses, the weather in Thailand becomes hotter and more humid, with temperatures rising to 30° to 37° in the central and northern regions. The southern part of the country continues to experience warm temperatures, with occasional showers and high humidity levels.

Overall, May marks the beginning of the rainy season in Thailand, especially in the southern regions, where brief but heavy downpours are common. Travelers should be prepared for sudden rain showers and plan their activities accordingly.

Despite the increased rainfall, May still offers plenty of opportunities to explore Thailand's cultural and natural attractions, with lush green landscapes and fewer crowds compared to the peak tourist season.

Have you visited Thailand in May? Share your experience by writing a review.

Thailand in May - FAQ

Is May a good time to visit Thailand?
You can travel to Thailand in May, but there are probably better months doing so, read more about the best time to visit Thailand
What are the expected maximum and minimum temperatures in Thailand during May?
During May, expect a variety of temperatures with highs around 34° and lows near 28°, suitable for diverse activities and preferences.
How much rainfall should be expected in Thailand during May?
Significant rainfall exceeding 141.1 mm is expected in Thailand during May, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Thailand during May?
The average wind speed in Thailand during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Thailand in May?

As you prepare for your trip to Thailand in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Thailand, during May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

May rainfall patterns in Thailand

Explore the daily rainfall trends and prepare for Thailands May weather 💧

UV exposure in Thailand during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Regions in Thailand
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BangkokChanthaburiChiang MaiChiang RaiChon BuriChumphonKanchanaburiKrabiNakhon RatchasimaPhayaoPhuketPrachuap Khiri KhanSamut PrakanSatunSukhothaiSurat ThaniTrangTratUdon Thani
Top locations in Thailand
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BangkokChanthaburiChiang MaiChiang RaiHua HinKanchanaburiKo LantaKo PananKo SamuiKoh PhanganKoh TaoKrabiNakhon RatchasimaPaiPattayaPhuketSamut PrakanSurat ThaniTrangUdon Thani
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Get accurate weather forecasts for Thailand, located at latitude 13.754 and longitude 100.501. Stay updated with localized weather information tailored for Thailand.

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