Monthly Climate
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Best time to visit Olongapo

January is the best time to visit Olongapo for general sightseeing, with average highs of 29 °C and about 3 wet days. The comfortable season runs roughly December to March.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking January comfort 72/100
A beach holiday January sea 27 °C
The least cloud March 41 % average cloud cover
The least rain January 16 mm
Warmth April 33 °C
Cooler weather August 29 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 January 72 29 °C 3 97
2 February 70 30 °C 3 96
3 December 67 29 °C 7 88
4 March 66 31 °C 5 87
5 November 62 30 °C 9 81
6 April 59 33 °C 6 76
7 September 47 29 °C 27 69
8 October 47 30 °C 20 68
9 August 47 29 °C 29 69
10 July 46 29 °C 29 67
11 June 44 30 °C 25 63
12 May 41 32 °C 20 58

For a beach holiday

January scores highest, with a sea temperature of 27 °C and air temperatures around 29 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 27 °C 29 °C 50 % 97
February 27 °C 30 °C 45 % 96
March 28 °C 31 °C 41 % 87
April 29 °C 33 °C 41 % 76
May 30 °C 32 °C 69 % 58
June 30 °C 30 °C 82 % 63
July 29 °C 29 °C 89 % 67
August 29 °C 29 °C 91 % 69
September 29 °C 29 °C 88 % 69
October 29 °C 30 °C 72 % 68
November 29 °C 30 °C 59 % 81
December 28 °C 29 °C 56 % 88

When to think twice

May scores lowest with about 20 wet days and highs near 32 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 28.9 °C 16 mm 50 %
February 29.9 °C 19 mm 45 %
March 31.3 °C 25 mm 41 %
April 32.6 °C 31 mm 41 %
May 31.7 °C 195 mm 69 %
June 30.1 °C 370 mm 82 %
July 29.0 °C 562 mm 89 %
August 28.7 °C 552 mm 91 %
September 28.9 °C 432 mm 88 %
October 29.6 °C 222 mm 72 %
November 29.7 °C 83 mm 59 %
December 29.0 °C 68 mm 56 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.