San Francisco weather in December
In December, San Francisco sees average daytime highs of 30°C and overnight lows near 18°C, with 128 mm of rain across 9.6 wet days and about 14 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 49% of the time in December, and the air most often feels humid.
Daylight stretches from about 13 h 54 min at the start of December to 14 hours by month's end. Set against the rest of the year, December is San Francisco's 6th-clearest and 6th-windiest month. For the whole year in context, see San Francisco's year-round climate.
- Daytime high
- 30°
- 2nd warmest
- Overnight low
- 18°
- 10th coldest
- Rainfall
- 128 mm
- 9.6 wet days
- Daylight
- 14 hours
- 6:03 AM – 8:06 PM
- Cloud cover
- 44%
- 6th clearest
- Wind
- 12 km/h
- 6th windiest
- Solar energy
- 7.19 kWh/m²
- Travel score
- 5.5
- out of 10
San Francisco is city in Argentina.
- Founded
- 1886
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 30°C through the month.
A typical December day in San Francisco reaches about 30°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 34°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.
| 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 17 |
| 2 | 29 | 17 |
| 3 | 29 | 17 |
| 4 | 29 | 17 |
| 5 | 29 | 17 |
| 6 | 29 | 17 |
| 7 | 29 | 18 |
| 8 | 29 | 18 |
| 9 | 29 | 18 |
| 10 | 29 | 18 |
| 11 | 29 | 18 |
| 12 | 29 | 18 |
| 13 | 29 | 18 |
| 14 | 29 | 18 |
| 15 | 30 | 18 |
| 16 | 30 | 18 |
| 17 | 30 | 18 |
| 18 | 30 | 18 |
| 19 | 30 | 19 |
| 20 | 30 | 19 |
| 21 | 30 | 19 |
| 22 | 30 | 19 |
| 23 | 30 | 19 |
| 24 | 30 | 19 |
| 25 | 30 | 19 |
| 26 | 30 | 19 |
| 27 | 30 | 19 |
| 28 | 30 | 19 |
| 29 | 30 | 19 |
| 30 | 30 | 19 |
| 31 | 30 | 19 |
San Francisco weather by month
How December compares with the rest of the year at a glance. December is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 19° | 119 | 9.1 | 13.8 | 5.3 |
| Feb | 29° / 19° | 115 | 9.1 | 13.1 | 5.8 |
| Mar | 27° / 17° | 138 | 9.2 | 12.2 | 6.8 |
| Apr | 24° / 14° | 100 | 8.2 | 11.3 | 7.4 |
| May | 20° / 11° | 47 | 5.5 | 10.4 | 7.1 |
| Jun | 18° / 8° | 30 | 4.3 | 10 | 6.6 |
| Jul | 17° / 6° | 20 | 3.5 | 10.2 | 6.7 |
| Aug | 20° / 8° | 39 | 3.8 | 10.9 | 7.6 |
| Sep | 22° / 11° | 51 | 5.4 | 11.8 | 7.8 |
| Oct | 25° / 14° | 116 | 9.6 | 12.8 | 7.2 |
| Nov | 28° / 16° | 119 | 8.9 | 13.6 | 6.6 |
| Dec | 30° / 18° | 128 | 9.6 | 14 | 5.5 |
Cloud cover in December
The sky is clear or mostly clear about 49% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 35%.
| 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 (%) | 66 | 66 | 66 | 67 | 67 | 66 | 66 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 66 | 65 | 65 | 65 | 64 | 65 | 64 | 64 | 64 | 64 | 63 | 63 | 63 | 64 | 64 |
| Cloudier (%) | 34 | 34 | 34 | 33 | 33 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 36 | 35 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 36 | 36 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 66 | 34 |
| 2 | 66 | 34 |
| 3 | 66 | 34 |
| 4 | 67 | 33 |
| 5 | 67 | 33 |
| 6 | 66 | 34 |
| 7 | 66 | 34 |
| 8 | 67 | 33 |
| 9 | 67 | 33 |
| 10 | 67 | 33 |
| 11 | 67 | 33 |
| 12 | 67 | 33 |
| 13 | 67 | 33 |
| 14 | 66 | 34 |
| 15 | 66 | 34 |
| 16 | 66 | 34 |
| 17 | 66 | 34 |
| 18 | 65 | 35 |
| 19 | 65 | 35 |
| 20 | 65 | 35 |
| 21 | 64 | 36 |
| 22 | 65 | 35 |
| 23 | 64 | 36 |
| 24 | 64 | 36 |
| 25 | 64 | 36 |
| 26 | 64 | 36 |
| 27 | 63 | 37 |
| 28 | 63 | 37 |
| 29 | 63 | 37 |
| 30 | 64 | 36 |
| 31 | 64 | 36 |
Chance of precipitation in December
San Francisco gets around 128 mm of rain over 9.6 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 32% and peaks near 33% on the wettest days.
| 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 (%) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 |
| Rain chance (%) | |
|---|---|
| 1 | 30 |
| 2 | 30 |
| 3 | 30 |
| 4 | 30 |
| 5 | 30 |
| 6 | 30 |
| 7 | 30 |
| 8 | 30 |
| 9 | 30 |
| 10 | 31 |
| 11 | 31 |
| 12 | 31 |
| 13 | 31 |
| 14 | 32 |
| 15 | 32 |
| 16 | 32 |
| 17 | 32 |
| 18 | 32 |
| 19 | 33 |
| 20 | 33 |
| 21 | 33 |
| 22 | 33 |
| 23 | 33 |
| 24 | 33 |
| 25 | 33 |
| 26 | 33 |
| 27 | 33 |
| 28 | 32 |
| 29 | 32 |
| 30 | 32 |
| 31 | 32 |
Humidity in December
Most of December feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the humid band about 28% of days. Sticky, muggy-or-worse air turns up on roughly 32% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 17 | 16 | 15 | 14 | 13 | 13 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 |
| Comfortable (%) | 29 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17 |
| Humid (%) | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 32 | 32 | 31 | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 24 | 23 | 23 | 22 |
| Muggy (%) | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 27 | 28 | 29 | 29 | 30 | 31 | 31 | 31 | 32 | 32 | 33 |
| Oppressive (%) | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 18 | 19 | 19 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 28 | 29 | 26 | 15 | 2 | 0 |
| 2 | 28 | 28 | 26 | 15 | 2 | 0 |
| 3 | 27 | 28 | 26 | 15 | 3 | 0 |
| 4 | 27 | 28 | 27 | 15 | 3 | 0 |
| 5 | 26 | 27 | 27 | 16 | 3 | 0 |
| 6 | 26 | 27 | 28 | 16 | 4 | 0 |
| 7 | 25 | 26 | 28 | 16 | 4 | 0 |
| 8 | 24 | 26 | 29 | 16 | 5 | 0 |
| 9 | 23 | 26 | 30 | 16 | 5 | 0 |
| 10 | 22 | 25 | 30 | 17 | 5 | 0 |
| 11 | 21 | 25 | 31 | 17 | 6 | 0 |
| 12 | 20 | 25 | 31 | 18 | 6 | 0 |
| 13 | 19 | 24 | 32 | 18 | 7 | 0 |
| 14 | 17 | 24 | 32 | 19 | 7 | 0 |
| 15 | 16 | 24 | 33 | 20 | 8 | 0 |
| 16 | 15 | 23 | 33 | 21 | 8 | 0 |
| 17 | 14 | 23 | 32 | 22 | 9 | 0 |
| 18 | 13 | 22 | 32 | 23 | 9 | 0 |
| 19 | 13 | 22 | 31 | 24 | 10 | 0 |
| 20 | 12 | 21 | 31 | 25 | 11 | 0 |
| 21 | 11 | 21 | 30 | 27 | 11 | 0 |
| 22 | 10 | 20 | 29 | 28 | 12 | 0 |
| 23 | 10 | 20 | 28 | 29 | 13 | 1 |
| 24 | 9 | 19 | 27 | 29 | 14 | 1 |
| 25 | 9 | 19 | 26 | 30 | 15 | 1 |
| 26 | 9 | 19 | 25 | 31 | 16 | 1 |
| 27 | 8 | 19 | 24 | 31 | 17 | 1 |
| 28 | 8 | 18 | 24 | 31 | 18 | 1 |
| 29 | 8 | 18 | 23 | 32 | 18 | 1 |
| 30 | 8 | 18 | 23 | 32 | 19 | 1 |
| 31 | 7 | 17 | 22 | 33 | 19 | 1 |
Wind in December
Winds average 12 km/h in December.
Across December, daily wind ranges from about 12 km/h on the calmest days to 13 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) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 12 | light breeze |
| 8 | 12 | light breeze |
| 9 | 12 | light breeze |
| 10 | 12 | light breeze |
| 11 | 12 | light breeze |
| 12 | 12 | light breeze |
| 13 | 12 | light breeze |
| 14 | 12 | light breeze |
| 15 | 12 | light breeze |
| 16 | 12 | light breeze |
| 17 | 12 | light breeze |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 12 | light breeze |
| 22 | 12 | light breeze |
| 23 | 12 | light breeze |
| 24 | 12 | light breeze |
| 25 | 12 | light breeze |
| 26 | 12 | light breeze |
| 27 | 12 | calm |
| 28 | 12 | calm |
| 29 | 12 | calm |
| 30 | 12 | calm |
| 31 | 12 | calm |
Sunrise & sunset in December
Daylight runs from about 13 h 54 min at the start of December to 14 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over December. Sunrise moves from 6:01 AM to 6:11 AM, and sunset from 7:55 PM to 8:12 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) | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 |
| Sunrise (AM) | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:05 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:10 | 6:10 | 6:11 |
| Sunset (PM) | 7:55 | 7:56 | 7:57 | 7:57 | 7:58 | 7:59 | 8:00 | 8:00 | 8:01 | 8:02 | 8:02 | 8:03 | 8:04 | 8:04 | 8:05 | 8:06 | 8:06 | 8:07 | 8:07 | 8:08 | 8:08 | 8:09 | 8:09 | 8:10 | 8:10 | 8:10 | 8:11 | 8:11 | 8:12 | 8:12 | 8:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.9 | 6:01 | 7:55 |
| 2 | 13.9 | 6:01 | 7:56 |
| 3 | 13.9 | 6:01 | 7:57 |
| 4 | 13.9 | 6:01 | 7:57 |
| 5 | 13.9 | 6:01 | 7:58 |
| 6 | 14.0 | 6:01 | 7:59 |
| 7 | 14.0 | 6:01 | 8:00 |
| 8 | 14.0 | 6:01 | 8:00 |
| 9 | 14.0 | 6:02 | 8:01 |
| 10 | 14.0 | 6:02 | 8:02 |
| 11 | 14.0 | 6:02 | 8:02 |
| 12 | 14.0 | 6:02 | 8:03 |
| 13 | 14.0 | 6:03 | 8:04 |
| 14 | 14.0 | 6:03 | 8:04 |
| 15 | 14.0 | 6:03 | 8:05 |
| 16 | 14.0 | 6:03 | 8:06 |
| 17 | 14.0 | 6:04 | 8:06 |
| 18 | 14.0 | 6:04 | 8:07 |
| 19 | 14.0 | 6:05 | 8:07 |
| 20 | 14.0 | 6:05 | 8:08 |
| 21 | 14.0 | 6:05 | 8:08 |
| 22 | 14.0 | 6:06 | 8:09 |
| 23 | 14.0 | 6:06 | 8:09 |
| 24 | 14.0 | 6:07 | 8:10 |
| 25 | 14.0 | 6:07 | 8:10 |
| 26 | 14.0 | 6:08 | 8:10 |
| 27 | 14.0 | 6:08 | 8:11 |
| 28 | 14.0 | 6:09 | 8:11 |
| 29 | 14.0 | 6:10 | 8:12 |
| 30 | 14.0 | 6:10 | 8:12 |
| 31 | 14.0 | 6:11 | 8:12 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 7.19 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 2.55 kWh/m² to a high of 7.19 kWh/m² in December across the year — December's 7.19 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) | 7.1 | 7.1 | 7.1 | 7.1 | 7.1 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.1 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.1 | Intense |
| 2 | 7.1 | Intense |
| 3 | 7.1 | Intense |
| 4 | 7.1 | Intense |
| 5 | 7.1 | Intense |
| 6 | 7.2 | Intense |
| 7 | 7.2 | Intense |
| 8 | 7.2 | Intense |
| 9 | 7.2 | Intense |
| 10 | 7.2 | Intense |
| 11 | 7.2 | Intense |
| 12 | 7.2 | Intense |
| 13 | 7.2 | Intense |
| 14 | 7.2 | Intense |
| 15 | 7.2 | Intense |
| 16 | 7.2 | Intense |
| 17 | 7.2 | Intense |
| 18 | 7.2 | Intense |
| 19 | 7.2 | Intense |
| 20 | 7.2 | Intense |
| 21 | 7.2 | Intense |
| 22 | 7.2 | Intense |
| 23 | 7.2 | Intense |
| 24 | 7.2 | Intense |
| 25 | 7.2 | Intense |
| 26 | 7.2 | Intense |
| 27 | 7.2 | Intense |
| 28 | 7.2 | Intense |
| 29 | 7.1 | Intense |
| 30 | 7.1 | Intense |
| 31 | 7.1 | Intense |
Is December a good time to visit San Francisco?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit San Francisco for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Francisco in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, San Francisco sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.
UV index in San Francisco in December
Clear-sky midday UV in December 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 Francisco peaks around January 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).
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) | 14 | 13 | 11 | 7 | 4 | 3 | 3 | 5 | 7 | 10 | 11 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 7 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 5 | Moderate |
| Sep | 7 | High |
| Oct | 10 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Where is San Francisco?
San Francisco sits at 31.4°S, 62.1°W, 120 m above sea level, in Argentina. The nearest listed city is San Jorge, 57 km away.
Topography around San Francisco
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Francisco.
Within 3 km, the terrain around San Francisco has only modest variations in elevation — a maximum elevation change of 13 m around an average of 114 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 24 m; within 80 km, only modest variations in elevation — a maximum elevation change of 103 m.
The land around San Francisco is covered by artificial surfaces (50%) and cropland (30%) within 3 km, cropland (94%) within 16 km, and cropland (88%) within 80 km.
Argentina travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / I
- 220 V · 50 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $14,898
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Homicide rate
- 4.5
- per 100k, 2023
- Road deaths
- 14.1
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 575
- 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 Francisco (-31.425°, -62.084°, elevation 120 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).