Climate Insights for Bolanon

Province of Negros Occidental, Western Visayas, Philippines

Hottest
August
30°C peak
Coldest
February
26°C low
Wettest
December
302mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Bolanon is hot. The average annual temperature is 28°C and approximately 2399mm of precipitation falls per year. Bolanon receives a notable amount of rainfall throughout the year, including during its driest month. Bolanon is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, May, June. The coldest months are February, January, March, when temperatures can drop to 26°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 28° Average: 27° Min: 26° Feb Max: 28° Average: 27° Min: 26° Mar Max: 28° Average: 27° Min: 26° Apr Max: 29° Average: 28° Min: 27° May Max: 30° Average: 29° Min: 27° Jun Max: 30° Average: 28° Min: 27° Jul Max: 30° Average: 28° Min: 27° Aug Max: 30° Average: 28° Min: 27° Sep Max: 30° Average: 28° Min: 27° Oct Max: 29° Average: 28° Min: 27° Nov Max: 29° Average: 28° Min: 27° Dec Max: 28° Average: 27° Min: 26°
Max
Average
Min

Bolanon has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 26°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 260mm Feb Precipitation: 141mm Mar Precipitation: 112mm Apr Precipitation: 107mm May Precipitation: 142mm Jun Precipitation: 220mm Jul Precipitation: 221mm Aug Precipitation: 147mm Sep Precipitation: 211mm Oct Precipitation: 273mm Nov Precipitation: 263mm Dec Precipitation: 302mm
Precipitation

Bolanon is a very wet location, receiving approximately 2399mm of precipitation annually, which averages out to around 200mm per month. The wettest month is December, averaging 302mm of rainfall. October and November also tend to see above-average precipitation. The driest month is April, with just 107mm. That's 196mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 26km/h Feb Wind Speed: 25km/h Mar Wind Speed: 21km/h Apr Wind Speed: 18km/h May Wind Speed: 15km/h Jun Wind Speed: 13km/h Jul Wind Speed: 16km/h Aug Wind Speed: 16km/h Sep Wind Speed: 15km/h Oct Wind Speed: 16km/h Nov Wind Speed: 21km/h Dec Wind Speed: 23km/h
Wind Speed

Bolanon is mildly breezy, with an average annual wind speed of 19km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 13km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 25km/h in winter, 18km/h in spring, 15km/h in summer, 17km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Bolanon, which began on March 20, 2026. Bolanon is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 30°C, while the coldest stretch bottoms out in February near 26°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 26 to 30°C. Rainfall is heavy, totalling around 361mm across the season with a monthly average of 120mm. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 27 to 30°C. Rainfall is heavy, totalling around 588mm across the season with a monthly average of 196mm. Winds are generally light, averaging 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 27 to 30°C. Rainfall is heavy, totalling around 747mm across the season with a monthly average of 249mm. Winds are moderate at around 17km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 703mm across the season with a monthly average of 234mm. Winds are moderate at around 25km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Bolanon based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
26 °C
28 °C
26 km/h
260 mm
0 cm
Feb
26 °C
28 °C
25 km/h
141 mm
0 cm
Mar Current
26 °C
28 °C
21 km/h
112 mm
0 cm
Apr
27 °C
29 °C
18 km/h
107 mm
0 cm
May
27 °C
30 °C
15 km/h
142 mm
0 cm
Jun
27 °C
30 °C
13 km/h
220 mm
0 cm
Jul
27 °C
30 °C
16 km/h
221 mm
0 cm
Aug
27 °C
30 °C
16 km/h
147 mm
0 cm
Sep
27 °C
30 °C
15 km/h
211 mm
0 cm
Oct
27 °C
29 °C
16 km/h
273 mm
0 cm
Nov
27 °C
29 °C
21 km/h
263 mm
0 cm
Dec
26 °C
28 °C
23 km/h
302 mm
0 cm
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Metric (°C, km/h)