Boston, Philippines experiences average highs of 29°C (84°F) and lows of 25°C (77°F) throughout the year. Rainfall is frequent, averaging about 27 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.
Boston, Philippines Weather & Climate 2026
Monthly climate averages for Boston, Philippines. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Sep 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
2.5/10
Best: February
UV Index
8
High
Temperature 29°C / 25°C
Feels Like 36°C / 30°C
Rainy Days 27
Rainfall 342 mm
Sunshine 10 h
Humidity 87%
Wind Speed 8 km/h
Dew Point 25°C
Hottest Month
30°C
August
Avg Low25°C
Rain25days
Coldest Month
24°C
February
Avg High28°C
Rain26days
Driest Month
22days
April
Avg High29°C
Avg Low25°C
Windiest Month
11 km/h
February (Gusts 37)
Sea Temperature
28°C – 31°C
Warmest water: June (
30.7°C
)
Worst Time to Visit
Consider avoiding April, May, August, September due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:19
Daylight 12.6h
Sunset 17:54
Live conditions—
Boston on the map · live conditions
Boston, Philippines
- Continent
- Asia
- Country
- Philippines
- City
- Boston
- Population
- 2.9K
- Coordinates
- 7.87°, 126.36°
Seasonal Breakdown
Spring
Mar–May
Avg High 29°C
Avg Low 25°C
Rain 25 days/mo
Summer
Jun–Aug
Avg High 30°C
Avg Low 25°C
Rain 26 days/mo
Autumn
Sep–Nov
Avg High 29°C
Avg Low 25°C
Rain 27 days/mo
Winter
Dec–Feb
Avg High 28°C
Avg Low 24°C
Rain 28 days/mo
1/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 28°C / 24°C . Feb: 28°C / 24°C . Mar: 28°C / 24°C . Apr: 29°C / 25°C . May: 29°C / 25°C . Jun: 29°C / 25°C . Jul: 30°C / 25°C . Aug: 30°C / 25°C . Sep: 30°C / 25°C . Oct: 30°C / 25°C . Nov: 29°C / 25°C . Dec: 28°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 522 mm. Feb: 367 mm. Mar: 224 mm. Apr: 168 mm. May: 289 mm. Jun: 399 mm. Jul: 340 mm. Aug: 380 mm. Sep: 406 mm. Oct: 389 mm. Nov: 272 mm. Dec: 346 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 90%. Feb: 89%. Mar: 88%. Apr: 87%. May: 87%. Jun: 87%. Jul: 86%. Aug: 85%. Sep: 85%. Oct: 86%. Nov: 88%. Dec: 89%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 10 km/h . Feb: 11 km/h . Mar: 11 km/h . Apr: 10 km/h . May: 8 km/h . Jun: 7 km/h . Jul: 7 km/h . Aug: 6 km/h . Sep: 7 km/h . Oct: 7 km/h . Nov: 8 km/h . Dec: 9 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 9h. Mar: 10h. Apr: 10h. May: 10h. Jun: 10h. Jul: 10h. Aug: 10h. Sep: 10h. Oct: 10h. Nov: 9h. Dec: 9h.
Sea Temperature
Sea Temperature
Line chart showing monthly sea temperature. Jan: 29°C . Feb: 28°C . Mar: 29°C . Apr: 30°C . May: 30°C . Jun: 31°C . Jul: 30°C . Aug: 31°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 7. Mar: UV 9. Apr: UV 9. May: UV 8. Jun: UV 8. Jul: UV 7. Aug: UV 8. Sep: UV 9. Oct: UV 8. Nov: UV 7. Dec: UV 7.
Monthly Daylight Hours
Daylight12h 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 60 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 31°C | Aug · 30°C |
| Coldest month | Feb 2025 · 24°C | Feb · 24°C |
| Wettest month | Aug 2025 · 514 mm | Jan · 522 mm |
| Windiest month | Mar 2025 · 10 km/h | Feb · 11 km/h |
Month-by-Month Weather Table
January
Wet 
February best
Wet March
Wet April
Wet 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 | 28°C / 24°C | 33°C / 29°C | 29days (522 mm) Wet | 8.4h Good | 90% Very Muggy | 6.7 High | Wet | View Details |
| February best | 28°C / 24°C | 33°C / 29°C | 26days (367 mm) Wet | 9.1h Good | 89% Very Muggy | 6.8 High | Wet | View Details |
| March | 28°C / 24°C | 34°C / 29°C | 24days (224 mm) Wet | 10.2h Excellent | 88% Very Muggy | 8.8 Very High | Wet | View Details |
| April | 29°C / 25°C | 36°C / 30°C | 22days (168 mm) Wet | 10.2h Excellent | 87% Very Muggy | 9 Very High | Wet | View Details |
| May | 29°C / 25°C | 37°C / 31°C | 28days (289 mm) Wet | 9.9h Good | 87% Very Muggy | 8.2 Very High | Wet | View Details |
| June | 29°C / 25°C | 37°C / 31°C | 28days (399 mm) Wet | 9.8h Good | 87% Very Muggy | 7.8 Very High | Wet | View Details |
| July | 30°C / 25°C | 37°C / 31°C | 26days (340 mm) Wet | 9.5h Good | 86% Very Muggy | 7.4 Very High | Wet | View Details |
| August | 30°C / 25°C | 37°C / 31°C | 25days (380 mm) Wet | 9.9h Good | 85% Humid | 8 Very High | Wet | View Details |
| September | 30°C / 25°C | 37°C / 31°C | 26days (406 mm) Wet | 9.9h Good | 85% Humid | 8.5 Very High | Wet | View Details |
| October | 30°C / 25°C | 37°C / 31°C | 28days (389 mm) Wet | 9.6h Good | 86% Very Muggy | 8 Very High | Wet | View Details |
| November | 29°C / 25°C | 35°C / 30°C | 28days (272 mm) Wet | 9.1h Good | 88% Very Muggy | 7.4 Very High | Wet | View Details |
| December | 28°C / 25°C | 34°C / 30°C | 29days (346 mm) Wet | 8.9h Good | 89% Very Muggy | 6.8 High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Boston are February, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Boston, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Boston is August, 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 Boston is February, with average overnight lows of 24°C (75°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Boston is January, averaging 522mm of precipitation across 29 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Boston runs through January, December, May, June, with the heaviest rainfall in January. Based on 10-year averages for Boston.
Boston receives approximately 115 sunshine hours per year. The sunniest month is March with around 10 hours. Based on climate data for Boston.
The least favorable months to visit Boston are April, May, August, September, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider February instead.
The annual average UV index in Boston is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Boston is 87%, 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 30°C (86°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Boston are 8 km/h (5 mph). The windiest month is February with peak winds reaching 11 km/h (7 mph) (gusts up to 37 km/h / 23 mph).
Boston averages 0 clear-sky days per month with overall cloud cover around 83%. The clearest skies occur in February.
The annual average dew point in Boston is 25°C (77°F), which feels oppressively humid. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Boston 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 Boston ranges from 30°C (86°F) to 36°C (97°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 Boston, with a climate score of 2.1/10. Consider visiting during February instead for better conditions.
For June in Boston, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 29°C (85°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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