San Mateo weather in July

In July, San Mateo sees average daytime highs of 32°C and overnight lows near 24°C, with 318 mm of rain across 26.1 wet days and about 12.9 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 10% of the time in July, and the air most often feels miserable.

Daylight stretches from about 13 hours at the start of July to 12 h 48 min by month's end. Set against the rest of the year, July is San Mateo's 11th-clearest and 8th-windiest month. For the whole year in context, see San Mateo's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
24°
10th coldest
Rainfall
318 mm
26.1 wet days
Daylight
12 h 54 min
5:32 AM – 6:27 PM
Cloud cover
82%
11th clearest
Wind
5 km/h
8th windiest
Solar energy
5.18 kWh/m²
Travel score
2.5
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical July day in San Mateo reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, July runs about 1°C cooler than June and on par with August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How July really feels in San Mateo

Once humidity and wind are folded in, July averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
9 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San Mateo weather by month

How July compares with the rest of the year at a glance. July is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 20°11916.311.15.5
Feb27° / 20°9413.711.45.7
Mar29° / 21°9414.211.95.3
Apr31° / 22°9513.812.44.1
May33° / 23°27420.612.82.8
Jun33° / 24°22922.4132.4
Jul32° / 24°31826.112.92.5
Aug32° / 24°32326.412.62.5
Sep31° / 24°2942412.12.9
Oct30° / 23°22419.611.63.9
Nov28° / 22°20018.611.24.6
Dec27° / 21°23920115.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 9% of July, with mostly cloudy or overcast conditions the remaining 81%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22872
32773
42773
52674
62674
72476
82476
92377
102278
112278
122179
132179
141981
151882
161882
171783
181783
191684
201684
211585
221486
231486
241486
251288
261288
271288
281189
291189
301189
311288

Chance of precipitation in July

Any precipitation

San Mateo gets around 318 mm of rain over 26.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 84% and peaks near 86% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
180
281
381
481
582
682
782
883
983
1083
1183
1283
1383
1484
1584
1684
1784
1884
1985
2085
2185
2285
2385
2485
2586
2686
2786
2886
2986
3086
3186

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the miserable band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13763
23763
33763
43763
53763
63763
73763
83763
93763
103763
113763
123763
133763
143763
153763
163763
173763
183763
193862
203862
213862
223763
233763
243763
253664
263664
273565
283466
293466
303367
313268

Wind in July

Winds average 5 km/h in July.

Across July, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 hours at the start of July to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over July. Sunrise moves from 5:27 AM to 5:36 AM, and sunset from 6:27 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:276:27
213.05:276:27
313.05:286:27
413.05:286:27
513.05:286:27
613.05:296:27
713.05:296:27
813.05:296:27
913.05:296:27
1013.05:306:27
1113.05:306:27
1212.95:306:27
1312.95:316:27
1412.95:316:27
1512.95:316:27
1612.95:326:27
1712.95:326:27
1812.95:326:27
1912.95:336:26
2012.95:336:26
2112.95:336:26
2212.95:346:26
2312.95:346:26
2412.85:346:25
2512.85:356:25
2612.85:356:25
2712.85:356:24
2812.85:366:24
2912.85:366:24
3012.85:366:23
3112.85:366:23

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.18 kWh/m².

For context, solar energy here swings from a low near 2.69 kWh/m² to a high of 5.9 kWh/m² in April across the year — July's 5.18 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in July

Is July a good time to visit San Mateo?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.5
Sightseeing
10th-best month of the year
4.0
Beach & pool
11th-best month of the year

July is a weaker month for outdoor sightseeing in San Mateo.

What to pack for San Mateo in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, San Mateo sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in San Mateo in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Mateo peaks around August 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 19UV 14Dec 11UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in San Mateo in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in San Mateo is worst in April — around 20 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1120 µg/m³Jun 2313 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar19Moderate
Apr20Moderate
May15Moderate
Jun13Moderate
Jul13Moderate
Aug14Moderate
Sep16Moderate
Oct15Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is San Mateo?

San Mateo sits at 16.9°N, 121.6°E, 82 m above sea level, in Philippines. The nearest listed city is Ramon, 12 km away.

Topography around San Mateo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Mateo.

Within 3 km, the terrain around San Mateo has only modest variations in elevation — a maximum elevation change of 19 m around an average of 78 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 402 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,889 m.

The land around San Mateo is covered by cropland (78%) within 3 km, cropland (70%) and trees (22%) within 16 km, and trees (70%) and cropland (22%) within 80 km.

3 km
19 m
16 km
402 m
80 km
2,889 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Ramon 12 km · Alicia 16 km · Santiago 22 km · Roxas 27 km · Diadi 30 km · Ilagan 44 km · Aglipay 44 km · Lagawe 51 km

Philippines travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 60 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$4,171
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
4.3
per 100k, 2023
Road deaths
12
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 569
Religion
Roman Catholic 79%other 8%Muslim 6%other Christian 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for San Mateo (16.8821°, 121.5869°, elevation 82 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).