Mainit, Philippines experiences average highs of 29°C (84°F) and lows of 25°C (77°F) throughout the year. Rainfall is frequent, averaging about 23 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have stayed broadly stable across the available records.
Mainit, Philippines Weather & Climate 2026
Monthly climate averages for Mainit, Philippines. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Nov 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
2.9/10
Best: January, February, March
UV Index
8
High
Temperature 29°C / 25°C
Feels Like 35°C / 30°C
Rainy Days 23
Rainfall 212 mm
Sunshine 10 h
Humidity 84%
Wind Speed 13 km/h
Dew Point 24°C
Hottest Month
30°C
May
Avg Low 26°C
Rain 21 days
Coldest Month
24°C
February
Avg High 28°C
Rain 21 days
Driest Month
15 days
April
Avg High 30°C
Avg Low 25°C
Windiest Month
15 km/h
February (Gusts 34)
Sea Temperature
27°C – 30°C
Warmest water: August (
30.3°C
)
Worst Time to Visit
Consider avoiding May, June, September, October due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:18
Daylight 12.7h
Sunset 17:59
Live conditions —
Mainit on the map · live conditions
Mainit, Philippines
- Continent
- Asia
- Country
- Philippines
- City
- Mainit
- Population
- 5.5K
- Coordinates
- 9.54°, 125.52°
Seasonal Breakdown
Spring
Mar–May
Avg High 30°C
Avg Low 25°C
Rain 18 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 30°C
Avg Low 26°C
Rain 24 days/mo
Autumn
Sep–Nov
Avg High 29°C
Avg Low 25°C
Rain 25 days/mo
Winter
Dec–Feb
Avg High 28°C
Avg Low 25°C
Rain 24 days/mo
2/3 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: 28°C / 25°C . Feb: 28°C / 24°C . Mar: 29°C / 25°C . Apr: 30°C / 25°C . May: 30°C / 26°C . Jun: 30°C / 26°C . Jul: 29°C / 26°C . Aug: 30°C / 26°C . Sep: 30°C / 26°C . Oct: 29°C / 25°C . Nov: 29°C / 25°C . Dec: 28°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 292 mm. Feb: 202 mm. Mar: 132 mm. Apr: 105 mm. May: 166 mm. Jun: 245 mm. Jul: 222 mm. Aug: 200 mm. Sep: 210 mm. Oct: 243 mm. Nov: 203 mm. Dec: 318 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 87%. Feb: 85%. Mar: 84%. Apr: 82%. May: 83%. Jun: 84%. Jul: 83%. Aug: 83%. Sep: 84%. Oct: 85%. Nov: 86%. Dec: 87%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 15 km/h . Mar: 14 km/h . Apr: 13 km/h . May: 10 km/h . Jun: 10 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 13 km/h . Oct: 13 km/h . Nov: 13 km/h . Dec: 13 km/h .
Sunshine
Sunshine
Sunshine: Jan: 9h. Feb: 10h. Mar: 11h. Apr: 11h. May: 11h. Jun: 10h. Jul: 10h. Aug: 10h. Sep: 10h. Oct: 9h. Nov: 9h. Dec: 9h.
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 28°C . Feb: 27°C . Mar: 28°C . Apr: 29°C . May: 30°C . Jun: 30°C . Jul: 30°C . Aug: 30°C . Sep: 30°C . Oct: 30°C . Nov: 30°C . Dec: 29°C .
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 8. Sep: UV 8. Oct: UV 8. Nov: UV 7. Dec: UV 7.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending wetter by about 80 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Apr 2025 · 30°C | May · 30°C |
| Coldest month | Feb 2025 · 25°C | Feb · 24°C |
| Wettest month | Aug 2025 · 430 mm | Dec · 318 mm |
| Windiest month | Jul 2025 · 15 km/h | Feb · 15 km/h |
Month-by-Month Weather Table
January best
Wet 
February best
Wet March best
Wet April
Poor May
Wet June
Wet July
Wet August
Wet September
Wet October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 28°C / 25°C | 33°C / 29°C | 25days (292 mm) Wet | 8.7h Good | 87% Very Muggy | 7 High | Wet | View Details |
| February best | 28°C / 24°C | 33°C / 29°C | 21days (202 mm) Wet | 9.5h Good | 85% Humid | 7.5 Very High | Wet | View Details |
| March best | 29°C / 25°C | 35°C / 29°C | 18days (132 mm) Wet | 10.5h Excellent | 84% Humid | 8.8 Very High | Wet | View Details |
| April | 30°C / 25°C | 37°C / 30°C | 15days (105 mm) Wet | 10.7h Excellent | 82% Humid | 9 Very High | Poor | View Details |
| May | 30°C / 26°C | 38°C / 32°C | 21days (166 mm) Wet | 10.6h Excellent | 83% Humid | 8.3 Very High | Wet | View Details |
| June | 30°C / 26°C | 36°C / 31°C | 26days (245 mm) Wet | 10h Excellent | 84% Humid | 8 Very High | Wet | View Details |
| July | 29°C / 26°C | 36°C / 31°C | 24days (222 mm) Wet | 9.6h Good | 83% Humid | 7.4 Very High | Wet | View Details |
| August | 30°C / 26°C | 36°C / 31°C | 22days (200 mm) Wet | 9.9h Good | 83% Humid | 8 Very High | Wet | View Details |
| September | 30°C / 26°C | 36°C / 31°C | 24days (210 mm) Wet | 9.7h Good | 84% Humid | 8.2 Very High | Wet | View Details |
| October | 29°C / 25°C | 36°C / 30°C | 27days (243 mm) Wet | 9.4h Good | 85% Humid | 8 Very High | Wet | View Details |
| November | 29°C / 25°C | 35°C / 30°C | 24days (203 mm) Wet | 9.3h Good | 86% Very Muggy | 7.3 Very High | Wet | View Details |
| December | 28°C / 25°C | 34°C / 30°C | 26days (318 mm) Wet | 8.9h Good | 87% Very Muggy | 6.6 High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Mainit are January, February, March, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Mainit, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Mainit is May, with average daytime highs of 30°C (86°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Mainit is February, with average overnight lows of 24°C (76°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Mainit is December, averaging 318mm of precipitation across 26 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Mainit runs through October, June, December, January, with the heaviest rainfall in October. Based on 10-year averages for Mainit.
Mainit receives approximately 117 sunshine hours per year. The sunniest month is April with around 11 hours. Based on climate data for Mainit.
The least favorable months to visit Mainit are May, June, September, October, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider January, February, March instead.
The annual average UV index in Mainit is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Mainit is 84%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes — sea temperatures in January, February, March, April, May, June, July, August, September, October, November, December average 29°C (84°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Mainit are 13 km/h (8 mph). The windiest month is February with peak winds reaching 15 km/h (9 mph) (gusts up to 34 km/h / 21 mph).
Mainit averages 1 clear-sky days per month with overall cloud cover around 78%. The clearest skies occur in April.
The annual average dew point in Mainit is 24°C (75°F), which feels oppressively humid. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Mainit has a Tropical Rainforest climate, classified as Af 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 Mainit ranges from 30°C (86°F) to 35°C (95°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
June is not the best time to visit Mainit, with a climate score of 2.1/10. Consider visiting during January, February, March instead for better conditions.
For June in Mainit, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 30°C (85°F) and 26 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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