Romblon climate — normals and trends
Romblon (Philippines) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.7 °C and it receives 2,088 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is May (27.9 °C on average) and the coldest is January (25.4 °C). Rainfall peaks in October.
Romblon averages 0 frost days, 29 hot days (≥ 30 °C) and 267 rainy days per year.
Romblon has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.5 °C (on 31 May 2010) and the coldest 21.4 °C (on 6 March 1946).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
RomblonMimaropa
- coords
- 12.58°, 122.27°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.7°C
Average daily high
28.2°C
Average daily low
25.3°C
Annual rainfall
2,088mm
Sunshine / day
10.4h
Mean relative humidity
82%
Average peak wind
22.3km/h
Seasonal range
2.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
29 d/yr
Rainy days (≥ 1 mm)
267 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.7 °C
Average feels-like low
28.2 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.70 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
32.5 °C
31 May 2010
Coldest day
21.4 °C
6 March 1946
Wettest day
329 mm
12 May 2006
Windiest day
78.1 km/h
3 December 2019
Strongest gust
135.4 km/h
3 December 2019
Hottest feels-like
40.8 °C
21 May 2019
Coldest feels-like
18.5 °C
1 March 1963
Sunniest day
12.4 h
3 June 1946
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 27.6 °C | +0.9 °C | 322 mm | +214 mm |
| Feb | 27.8 °C | +0.8 °C | 255 mm | +185 mm |
| Mar | 28.4 °C | +0.5 °C | 176 mm | +105 mm |
| Apr | 29.8 °C | +0.8 °C | 57 mm | -25 mm |
| May | 29.9 °C | +0.3 °C | 240 mm | +93 mm |
| Jun | 29.4 °C | +0.2 °C | 338 mm | +122 mm |
| Jul | 29.2 °C | +0.5 °C | 221 mm | -19 mm |
| Aug | 29.0 °C | +0.4 °C | 340 mm | +139 mm |
| Sep | 28.7 °C | +0.1 °C | 464 mm | +247 mm |
| Oct | 28.8 °C | +0.4 °C | 413 mm | +146 mm |
| Nov | 28.9 °C | +0.9 °C | 426 mm | +176 mm |
| Dec | 28.3 °C | +1.1 °C | 215 mm | -4 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Romblon?
Romblon has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.7 °C and it receives 2,088 mm of precipitation per year.
What is the hottest day ever recorded in Romblon?
The hottest day measured in Romblon between 1940 and 2025 was 31 May 2010, reaching 32.5 °C.
What is the coldest day in Romblon?
The coldest day measured in Romblon between 1940 and 2025 was 6 March 1946, at 21.4 °C.
Does it snow in Romblon?
Almost never: Romblon sees virtually no snow, with about 0 frost days per year.
Has the climate of Romblon warmed?
Yes: Romblon warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Romblon?
The wettest day measured in Romblon between 1940 and 2025 was 12 May 2006, with 329 mm of rain in 24 hours.
What was the windiest day in Romblon?
The windiest day measured in Romblon between 1940 and 2025 was 3 December 2019, with winds reaching 78.1 km/h.
What is the warmest month in Romblon?
The warmest month in Romblon is May (27.9 °C on average); the coldest is January (25.4 °C).
How much does it rain in Romblon?
Romblon receives on average 2,088 mm of precipitation per year, spread over about 267 rainy days.
Is it sunny in Romblon?
Romblon gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Romblon?
Yes: Romblon has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Romblon?
In Romblon, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 21 May 2019, and the lowest was 18.5 °C on 1 March 1963.
Compare Romblon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Romblon