San Mateo weather in May
In May, San Mateo sees average daytime highs of 33°C and overnight lows near 23°C, with 274 mm of rain across 20.6 wet days and about 12.8 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.
Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels miserable.
Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is San Mateo's 4th-clearest and 10th-windiest month. For the whole year in context, see San Mateo's year-round climate.
- Daytime high
- 33°
- 2nd warmest
- Overnight low
- 23°
- 8th coldest
- Rainfall
- 274 mm
- 20.6 wet days
- Daylight
- 12 h 48 min
- 5:26 AM – 6:14 PM
- Cloud cover
- 69%
- 4th clearest
- Wind
- 5 km/h
- 10th windiest
- Solar energy
- 5.81 kWh/m²
- Travel score
- 2.8
- out of 10
Temperature in May
Day-to-day highs hold fairly steady near 33°C through the month.
A typical May day in San Mateo reaches about 33°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 32 | 23 |
| 2 | 32 | 23 |
| 3 | 32 | 23 |
| 4 | 32 | 23 |
| 5 | 32 | 23 |
| 6 | 32 | 23 |
| 7 | 32 | 23 |
| 8 | 32 | 23 |
| 9 | 32 | 23 |
| 10 | 33 | 23 |
| 11 | 33 | 23 |
| 12 | 33 | 23 |
| 13 | 33 | 23 |
| 14 | 33 | 23 |
| 15 | 33 | 24 |
| 16 | 33 | 24 |
| 17 | 33 | 24 |
| 18 | 33 | 24 |
| 19 | 33 | 24 |
| 20 | 33 | 24 |
| 21 | 33 | 24 |
| 22 | 33 | 24 |
| 23 | 33 | 24 |
| 24 | 33 | 24 |
| 25 | 33 | 24 |
| 26 | 33 | 24 |
| 27 | 33 | 24 |
| 28 | 33 | 24 |
| 29 | 33 | 24 |
| 30 | 33 | 24 |
| 31 | 33 | 24 |
How May really feels in San Mateo
Once humidity and wind are folded in, May 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.
The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
San Mateo weather by month
How May compares with the rest of the year at a glance. May is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 20° | 119 | 16.3 | 11.1 | 5.5 |
| Feb | 27° / 20° | 94 | 13.7 | 11.4 | 5.7 |
| Mar | 29° / 21° | 94 | 14.2 | 11.9 | 5.3 |
| Apr | 31° / 22° | 95 | 13.8 | 12.4 | 4.1 |
| May | 33° / 23° | 274 | 20.6 | 12.8 | 2.8 |
| Jun | 33° / 24° | 229 | 22.4 | 13 | 2.4 |
| Jul | 32° / 24° | 318 | 26.1 | 12.9 | 2.5 |
| Aug | 32° / 24° | 323 | 26.4 | 12.6 | 2.5 |
| Sep | 31° / 24° | 294 | 24 | 12.1 | 2.9 |
| Oct | 30° / 23° | 224 | 19.6 | 11.6 | 3.9 |
| Nov | 28° / 22° | 200 | 18.6 | 11.2 | 4.6 |
| Dec | 27° / 21° | 239 | 20 | 11 | 5.0 |
Cloud cover in May
The sky is clear or mostly clear about 20% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 56 | 54 | 52 | 51 | 50 | 49 | 48 | 47 | 46 | 44 | 43 | 42 | 41 | 39 | 38 | 37 | 36 | 34 | 34 | 32 | 31 | 30 | 28 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 |
| Cloudier (%) | 44 | 46 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 56 | 57 | 58 | 59 | 61 | 62 | 63 | 64 | 66 | 66 | 68 | 69 | 70 | 72 | 73 | 73 | 74 | 74 | 74 | 75 | 75 | 75 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 56 | 44 |
| 2 | 54 | 46 |
| 3 | 52 | 48 |
| 4 | 51 | 49 |
| 5 | 50 | 50 |
| 6 | 49 | 51 |
| 7 | 48 | 52 |
| 8 | 47 | 53 |
| 9 | 46 | 54 |
| 10 | 44 | 56 |
| 11 | 43 | 57 |
| 12 | 42 | 58 |
| 13 | 41 | 59 |
| 14 | 39 | 61 |
| 15 | 38 | 62 |
| 16 | 37 | 63 |
| 17 | 36 | 64 |
| 18 | 34 | 66 |
| 19 | 34 | 66 |
| 20 | 32 | 68 |
| 21 | 31 | 69 |
| 22 | 30 | 70 |
| 23 | 28 | 72 |
| 24 | 27 | 73 |
| 25 | 27 | 73 |
| 26 | 26 | 74 |
| 27 | 26 | 74 |
| 28 | 26 | 74 |
| 29 | 25 | 75 |
| 30 | 25 | 75 |
| 31 | 25 | 75 |
Chance of precipitation in May
San Mateo gets around 274 mm of rain over 20.6 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 66% and peaks near 81% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 61 | 62 | 64 | 66 | 68 | 70 | 71 | 73 | 75 | 76 | 77 | 79 | 80 | 80 | 81 | 81 | 81 | 81 | 81 |
| Rain chance (%) | |
|---|---|
| 1 | 48 |
| 2 | 49 |
| 3 | 50 |
| 4 | 51 |
| 5 | 52 |
| 6 | 53 |
| 7 | 54 |
| 8 | 55 |
| 9 | 56 |
| 10 | 57 |
| 11 | 58 |
| 12 | 59 |
| 13 | 61 |
| 14 | 62 |
| 15 | 64 |
| 16 | 66 |
| 17 | 68 |
| 18 | 70 |
| 19 | 71 |
| 20 | 73 |
| 21 | 75 |
| 22 | 76 |
| 23 | 77 |
| 24 | 79 |
| 25 | 80 |
| 26 | 80 |
| 27 | 81 |
| 28 | 81 |
| 29 | 81 |
| 30 | 81 |
| 31 | 81 |
Humidity in May
Most of May feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the miserable band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 70 | 68 | 67 | 66 | 65 | 64 | 62 | 61 | 61 | 59 | 58 | 56 | 56 | 54 | 52 | 51 | 49 | 47 | 45 | 43 | 41 | 40 | 38 | 36 | 34 | 33 | 32 | 30 | 30 | 29 | 28 |
| Miserable (%) | 26 | 28 | 29 | 30 | 32 | 33 | 35 | 36 | 37 | 39 | 40 | 42 | 43 | 45 | 47 | 48 | 50 | 52 | 54 | 57 | 59 | 60 | 62 | 64 | 66 | 67 | 68 | 70 | 70 | 71 | 72 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 4 | 70 | 26 |
| 2 | 4 | 68 | 28 |
| 3 | 4 | 67 | 29 |
| 4 | 4 | 66 | 30 |
| 5 | 3 | 65 | 32 |
| 6 | 3 | 64 | 33 |
| 7 | 3 | 62 | 35 |
| 8 | 3 | 61 | 36 |
| 9 | 2 | 61 | 37 |
| 10 | 2 | 59 | 39 |
| 11 | 2 | 58 | 40 |
| 12 | 2 | 56 | 42 |
| 13 | 1 | 56 | 43 |
| 14 | 1 | 54 | 45 |
| 15 | 1 | 52 | 47 |
| 16 | 1 | 51 | 48 |
| 17 | 1 | 49 | 50 |
| 18 | 1 | 47 | 52 |
| 19 | 1 | 45 | 54 |
| 20 | 0 | 43 | 57 |
| 21 | 0 | 41 | 59 |
| 22 | 0 | 40 | 60 |
| 23 | 0 | 38 | 62 |
| 24 | 0 | 36 | 64 |
| 25 | 0 | 34 | 66 |
| 26 | 0 | 33 | 67 |
| 27 | 0 | 32 | 68 |
| 28 | 0 | 30 | 70 |
| 29 | 0 | 30 | 70 |
| 30 | 0 | 29 | 71 |
| 31 | 0 | 28 | 72 |
Wind in May
Winds average 5 km/h in May.
Across May, 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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in May
Daylight runs from about 12 h 36 min at the start of May to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over May. Sunrise moves from 5:33 AM to 5:23 AM, and sunset from 6:09 PM to 6:19 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 |
| Sunrise (AM) | 5:33 | 5:32 | 5:32 | 5:31 | 5:31 | 5:30 | 5:30 | 5:29 | 5:29 | 5:28 | 5:28 | 5:28 | 5:27 | 5:27 | 5:27 | 5:26 | 5:26 | 5:26 | 5:25 | 5:25 | 5:25 | 5:25 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:24 | 5:23 | 5:23 | 5:23 |
| Sunset (PM) | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:13 | 6:13 | 6:13 | 6:14 | 6:14 | 6:14 | 6:15 | 6:15 | 6:15 | 6:16 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 | 6:18 | 6:19 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.6 | 5:33 | 6:09 |
| 2 | 12.6 | 5:32 | 6:09 |
| 3 | 12.6 | 5:32 | 6:09 |
| 4 | 12.6 | 5:31 | 6:10 |
| 5 | 12.7 | 5:31 | 6:10 |
| 6 | 12.7 | 5:30 | 6:10 |
| 7 | 12.7 | 5:30 | 6:11 |
| 8 | 12.7 | 5:29 | 6:11 |
| 9 | 12.7 | 5:29 | 6:11 |
| 10 | 12.7 | 5:28 | 6:12 |
| 11 | 12.7 | 5:28 | 6:12 |
| 12 | 12.7 | 5:28 | 6:12 |
| 13 | 12.8 | 5:27 | 6:13 |
| 14 | 12.8 | 5:27 | 6:13 |
| 15 | 12.8 | 5:27 | 6:13 |
| 16 | 12.8 | 5:26 | 6:14 |
| 17 | 12.8 | 5:26 | 6:14 |
| 18 | 12.8 | 5:26 | 6:14 |
| 19 | 12.8 | 5:25 | 6:15 |
| 20 | 12.8 | 5:25 | 6:15 |
| 21 | 12.8 | 5:25 | 6:15 |
| 22 | 12.8 | 5:25 | 6:16 |
| 23 | 12.9 | 5:24 | 6:16 |
| 24 | 12.9 | 5:24 | 6:16 |
| 25 | 12.9 | 5:24 | 6:17 |
| 26 | 12.9 | 5:24 | 6:17 |
| 27 | 12.9 | 5:24 | 6:17 |
| 28 | 12.9 | 5:24 | 6:18 |
| 29 | 12.9 | 5:23 | 6:18 |
| 30 | 12.9 | 5:23 | 6:18 |
| 31 | 12.9 | 5:23 | 6:19 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.81 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 — May's 5.81 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.1 | Intense |
| 2 | 6.0 | Intense |
| 3 | 6.0 | Intense |
| 4 | 6.0 | Intense |
| 5 | 6.0 | Intense |
| 6 | 6.0 | Intense |
| 7 | 6.0 | Bright |
| 8 | 6.0 | Bright |
| 9 | 5.9 | Bright |
| 10 | 5.9 | Bright |
| 11 | 5.9 | Bright |
| 12 | 5.9 | Bright |
| 13 | 5.8 | Bright |
| 14 | 5.8 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.8 | Bright |
| 18 | 5.8 | Bright |
| 19 | 5.7 | Bright |
| 20 | 5.7 | Bright |
| 21 | 5.7 | Bright |
| 22 | 5.7 | Bright |
| 23 | 5.7 | Bright |
| 24 | 5.7 | Bright |
| 25 | 5.7 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.7 | Bright |
| 28 | 5.7 | Bright |
| 29 | 5.7 | Bright |
| 30 | 5.7 | Bright |
| 31 | 5.7 | Bright |
Is May a good time to visit San Mateo?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a weaker month for outdoor sightseeing in San Mateo.
What to pack for San Mateo in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, San Mateo sees daytime highs around 33°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.
UV index in San Mateo in May
Clear-sky midday UV in May peaks around 13 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 14 | 13 | 10 | 8 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 13 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in San Mateo in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 16 | 16 | 19 | 20 | 15 | 13 | 13 | 14 | 16 | 15 | 15 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 16 | Moderate |
| Mar | 19 | Moderate |
| Apr | 20 | Moderate |
| May | 15 | Moderate |
| Jun | 13 | Moderate |
| Jul | 13 | Moderate |
| Aug | 14 | Moderate |
| Sep | 16 | Moderate |
| Oct | 15 | Moderate |
| Nov | 15 | Moderate |
| Dec | 14 | Moderate |
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.
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
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).