Pai, Thailand experiences average highs of 30°C (86°F) and lows of 21°C (70°F) throughout the year. Rainfall is frequent, averaging about 14 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Pai, Thailand Weather & Climate 2026
Monthly climate averages for Pai, Thailand. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6/10
Best: January, February, December
UV Index
8
High
Temperature 30°C / 21°C
Feels Like 33°C / 24°C
Rainy Days 14
Rainfall 133 mm
Sunshine 9 h
Humidity 74%
Wind Speed 8 km/h
Dew Point 20°C
Hottest Month
35°C
April
Avg Low 23°C
Rain 7 days
Coldest Month
16°C
January
Avg High 27°C
Rain 3 days
Driest Month
2 days
February
Avg High 31°C
Avg Low 18°C
Windiest Month
10 km/h
March (Gusts 33)
Worst Time to Visit
Consider avoiding May, June, July, September due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:56
Daylight 13.2h
Sunset 19:08
Live conditions —
Pai on the map · live conditions
Pai, Thailand
- Continent
- Asia
- Country
- Thailand
- City
- Pai
- Population
- 2.3K
- Coordinates
- 19.36°, 98.44°
Seasonal Breakdown
Spring
Mar–May
Avg High 34°C
Avg Low 22°C
Rain 9 days/mo
Summer
Jun–Aug
Avg High 29°C
Avg Low 23°C
Rain 27 days/mo
Autumn
Sep–Nov
Avg High 29°C
Avg Low 21°C
Rain 17 days/mo
Winter
Dec–Feb
Avg High 28°C
Avg Low 17°C
Rain 3 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 27°C / 16°C . Feb: 31°C / 18°C . Mar: 34°C / 21°C . Apr: 35°C / 23°C . May: 33°C / 23°C . Jun: 30°C / 23°C . Jul: 29°C / 23°C . Aug: 29°C / 22°C . Sep: 29°C / 22°C . Oct: 29°C / 21°C . Nov: 28°C / 19°C . Dec: 27°C / 16°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 22 mm. Feb: 11 mm. Mar: 10 mm. Apr: 54 mm. May: 189 mm. Jun: 250 mm. Jul: 282 mm. Aug: 329 mm. Sep: 247 mm. Oct: 137 mm. Nov: 56 mm. Dec: 13 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 67%. Feb: 54%. Mar: 47%. Apr: 55%. May: 73%. Jun: 85%. Jul: 88%. Aug: 90%. Sep: 89%. Oct: 87%. Nov: 81%. Dec: 75%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 7 km/h . Feb: 8 km/h . Mar: 10 km/h . Apr: 9 km/h . May: 8 km/h . Jun: 9 km/h . Jul: 8 km/h . Aug: 8 km/h . Sep: 7 km/h . Oct: 7 km/h . Nov: 7 km/h . Dec: 7 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 11h. Mar: 11h. Apr: 11h. May: 10h. Jun: 8h. Jul: 7h. Aug: 7h. Sep: 8h. Oct: 9h. Nov: 9h. Dec: 10h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 7. Feb: UV 8. Mar: UV 9. Apr: UV 9. May: UV 8. Jun: UV 8. Jul: UV 7. Aug: UV 7. Sep: UV 8. Oct: UV 8. Nov: UV 6. Dec: UV 6.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending wetter by about 24 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Mar 2025 · 34°C | Apr · 35°C |
| Coldest month | Jan 2025 · 15°C | Jan · 16°C |
| Wettest month | Aug 2025 · 346 mm | Aug · 329 mm |
| Windiest month | Jul 2025 · 10 km/h | Mar · 10 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March
Good April
Fair May
Wet June
Wet July
Wet August
Wet September
Wet October
Wet November
Good December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 27°C / 16°C | 29°C / 17°C | 3days (22 mm) Excellent | 9.8h Good | 67% Muggy | 6.7 High | Excellent | View Details |
| February best | 31°C / 18°C | 31°C / 18°C | 2days (11 mm) Excellent | 10.6h Excellent | 54% Moderate | 7.8 Very High | Excellent | View Details |
| March | 34°C / 21°C | 35°C / 22°C | 2days (10 mm) Excellent | 11h Excellent | 47% Moderate | 8.7 Very High | Good | View Details |
| April | 35°C / 23°C | 38°C / 25°C | 7days (54 mm) Good | 11h Excellent | 55% Moderate | 9 Very High | Fair | View Details |
| May | 33°C / 23°C | 38°C / 28°C | 19days (189 mm) Wet | 10.3h Excellent | 73% Muggy | 8.3 Very High | Wet | View Details |
| June | 30°C / 23°C | 35°C / 28°C | 26days (250 mm) Wet | 8.1h Good | 85% Humid | 8 Very High | Wet | View Details |
| July | 29°C / 23°C | 34°C / 27°C | 28days (282 mm) Wet | 7.2h Good | 88% Very Muggy | 7.2 Very High | Wet | View Details |
| August | 29°C / 22°C | 34°C / 27°C | 28days (329 mm) Wet | 6.7h Fair | 90% Very Muggy | 7.2 Very High | Wet | View Details |
| September | 29°C / 22°C | 35°C / 27°C | 25days (247 mm) Wet | 8.2h Good | 89% Very Muggy | 7.8 Very High | Wet | View Details |
| October | 29°C / 21°C | 34°C / 25°C | 18days (137 mm) Wet | 9h Good | 87% Very Muggy | 7.7 Very High | Wet | View Details |
| November | 28°C / 19°C | 31°C / 22°C | 7days (56 mm) Good | 9.3h Good | 81% Humid | 6.4 High | Good | View Details |
| December best | 27°C / 16°C | 29°C / 18°C | 3days (13 mm) Excellent | 9.6h Good | 75% Muggy | 6.3 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Pai are January, February, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Pai, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Pai is April, with average daytime highs of 35°C (95°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Pai is January, with average overnight lows of 16°C (61°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Pai is August, averaging 329mm of precipitation across 28 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Pai runs through July, August, June, September, with the heaviest rainfall in July. Based on 10-year averages for Pai.
Pai receives approximately 111 sunshine hours per year. The sunniest month is March with around 11 hours. Based on climate data for Pai.
The least favorable months to visit Pai are May, June, July, September, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider January, February, December instead.
The annual average UV index in Pai is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Pai is 74%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Pai are 8 km/h (5 mph). The windiest month is March with peak winds reaching 10 km/h (6 mph) (gusts up to 33 km/h / 21 mph).
Pai averages 7 clear-sky days per month with overall cloud cover around 58%. The clearest skies occur in March.
The annual average dew point in Pai is 20°C (68°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Pai has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Pai ranges from 24°C (75°F) to 33°C (91°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
July is not the best time to visit Pai, with a climate score of 3.6/10. Consider visiting during January, February, December instead for better conditions.
For July in Pai, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 29°C (84°F) and 28 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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