Harrison, Philippines experiences average highs of 28°C (82°F) and lows of 24°C (75°F) throughout the year. Rainfall is frequent, averaging about 16 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 cooled by 0.6°C (1.1°F) across the available records.
Harrison, Philippines Weather & Climate 2026
Monthly climate averages for Harrison, Philippines. 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
6.1/10
Best: January, February, March, December
UV Index
8
High
Temperature 28°C / 24°C
Feels Like 32°C / 27°C
Rainy Days 16
Rainfall 269 mm
Sunshine 10 h
Humidity 80%
Wind Speed 20 km/h
Dew Point 22°C
Hottest Month
30°C
April
Avg Low 25°C
Rain 6 days
Coldest Month
23°C
February
Avg High 28°C
Rain 4 days
Driest Month
3 days
March
Avg High 29°C
Avg Low 24°C
Windiest Month
26 km/h
January (Gusts 50)
Sea Temperature
28°C – 31°C
Warmest water: May (
30.7°C
)
Worst Time to Visit
Consider avoiding May due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:39
Daylight 12.8h
Sunset 18:30
Live conditions —
Harrison on the map · live conditions
Harrison, Philippines
- Continent
- Asia
- Country
- Philippines
- City
- Harrison
- Population
- 2.3K
- Coordinates
- 13.45°, 120.43°
Seasonal Breakdown
Spring
Mar–May
Avg High 30°C
Avg Low 25°C
Rain 10 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 27°C
Avg Low 24°C
Rain 28 days/mo
Autumn
Sep–Nov
Avg High 28°C
Avg Low 24°C
Rain 20 days/mo
Winter
Dec–Feb
Avg High 28°C
Avg Low 24°C
Rain 7 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 / 23°C . Feb: 28°C / 23°C . Mar: 29°C / 24°C . Apr: 30°C / 25°C . May: 30°C / 25°C . Jun: 28°C / 25°C . Jul: 27°C / 24°C . Aug: 27°C / 24°C . Sep: 27°C / 24°C . Oct: 28°C / 24°C . Nov: 28°C / 25°C . Dec: 28°C / 24°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 49 mm. Feb: 28 mm. Mar: 26 mm. Apr: 29 mm. May: 179 mm. Jun: 470 mm. Jul: 714 mm. Aug: 553 mm. Sep: 515 mm. Oct: 386 mm. Nov: 141 mm. Dec: 143 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 77%. Feb: 73%. Mar: 72%. Apr: 73%. May: 79%. Jun: 85%. Jul: 87%. Aug: 87%. Sep: 87%. Oct: 84%. Nov: 81%. Dec: 80%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 26 km/h . Feb: 25 km/h . Mar: 21 km/h . Apr: 17 km/h . May: 15 km/h . Jun: 16 km/h . Jul: 20 km/h . Aug: 20 km/h . Sep: 18 km/h . Oct: 19 km/h . Nov: 22 km/h . Dec: 26 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 10h. Mar: 11h. Apr: 12h. May: 11h. Jun: 10h. Jul: 8h. Aug: 9h. Sep: 8h. Oct: 9h. Nov: 10h. Dec: 9h.
Sea Temperature
Sea Temperature
Line chart showing monthly sea temperature. Jan: 28°C . Feb: 28°C . Mar: 29°C . Apr: 30°C . May: 31°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 6. Aug: UV 8. Sep: UV 7. Oct: UV 7. Nov: UV 7. 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 cooled by 0.6°C (1.1°F) 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 | Apr 2025 · 30°C | Apr · 30°C |
| Coldest month | Feb 2025 · 24°C | Feb · 23°C |
| Wettest month | Jul 2025 · 911 mm | Jul · 714 mm |
| Windiest month | Jan 2025 · 27 km/h | Jan · 26 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March best
Excellent April
Fair May
Wet June
Wet July
Wet August
Wet September
Wet October
Wet November
Fair December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 27°C / 23°C | 29°C / 24°C | 6days (49 mm) Good | 9.6h Good | 77% Humid | 7.1 Very High | Excellent | View Details |
| February best | 28°C / 23°C | 30°C / 24°C | 4days (28 mm) Good | 10.3h Excellent | 73% Muggy | 7.9 Very High | Excellent | View Details |
| March best | 29°C / 24°C | 33°C / 26°C | 3days (26 mm) Excellent | 11.2h Excellent | 72% Muggy | 8.7 Very High | Excellent | View Details |
| April | 30°C / 25°C | 35°C / 28°C | 6days (29 mm) Good | 11.5h Excellent | 73% Muggy | 9 Very High | Fair | View Details |
| May | 30°C / 25°C | 36°C / 29°C | 20days (179 mm) Wet | 11.1h Excellent | 79% Humid | 8.2 Very High | Wet | View Details |
| June | 28°C / 25°C | 34°C / 28°C | 28days (470 mm) Wet | 9.8h Good | 85% Humid | 7.7 Very High | Wet | View Details |
| July | 27°C / 24°C | 32°C / 27°C | 29days (714 mm) Wet | 8.2h Good | 87% Very Muggy | 6.3 High | Wet | View Details |
| August | 27°C / 24°C | 32°C / 27°C | 28days (553 mm) Wet | 8.5h Good | 87% Very Muggy | 7.6 Very High | Wet | View Details |
| September | 27°C / 24°C | 32°C / 28°C | 28days (515 mm) Wet | 8.3h Good | 87% Very Muggy | 7 High | Wet | View Details |
| October | 28°C / 24°C | 32°C / 27°C | 22days (386 mm) Wet | 8.8h Good | 84% Humid | 7.3 Very High | Wet | View Details |
| November | 28°C / 25°C | 32°C / 27°C | 11days (141 mm) Wet | 9.6h Good | 81% Humid | 6.8 High | Fair | View Details |
| December best | 28°C / 24°C | 30°C / 26°C | 11days (143 mm) Wet | 9h Good | 80% Humid | 6.4 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Harrison are January, February, March, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Harrison, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Harrison is April, 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 Harrison is February, with average overnight lows of 23°C (74°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Harrison is July, averaging 714mm of precipitation across 29 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Harrison runs through July, June, August, September, with the heaviest rainfall in July. Based on 10-year averages for Harrison.
Harrison receives approximately 116 sunshine hours per year. The sunniest month is April with around 12 hours. Based on climate data for Harrison.
The least favorable months to visit Harrison are May, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider January, February, March, December instead.
The annual average UV index in Harrison is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Harrison is 80%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
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 Harrison are 20 km/h (12 mph). The windiest month is January with peak winds reaching 26 km/h (16 mph) (gusts up to 50 km/h / 31 mph).
Harrison averages 2 clear-sky days per month with overall cloud cover around 69%. The clearest skies occur in April.
The annual average dew point in Harrison is 22°C (72°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Harrison 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 Harrison ranges from 27°C (81°F) to 32°C (90°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 Harrison, with a climate score of 5.2/10. Consider visiting during January, February, March, December instead for better conditions.
For July in Harrison, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 27°C (81°F) and 29 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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