Orinda weather in January
In January, Orinda sees average daytime highs of 57°F and overnight lows near 42°F, with 4.0 in of rain across 9.3 wet days and about 9.7 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.
Highs climb over the month, from about 56°F in the first days to 59°F by the end. The sky is clear or mostly clear about 32% of the time in January, and the air most often feels dry.
Daylight stretches from about 9 h 24 min at the start of January to 10 hours by month's end. Set against the rest of the year, January is Orinda's 12th-clearest and 11th-windiest month. For the whole year in context, see Orinda's year-round climate.
- Daytime high
- 57°
- 11th warmest
- Overnight low
- 42°
- 2nd coldest
- Rainfall
- 4.0 in
- 9.3 wet days
- Daylight
- 9 h 36 min
- 7:29 AM – 5:07 PM
- Cloud cover
- 61%
- 12th clearest
- Wind
- 5 mph
- 11th windiest
- Solar energy
- 2.29 kWh/m²
- Travel score
- 4.2
- out of 10
Orinda is city in Contra Costa County, California, United States.
- Density
- 586/km²
- people per km²
- Founded
- 1985
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Highs climb over the month, from about 56°F in the first days to 59°F by the end.
A typical January day in Orinda reaches about 57°F in the afternoon and slips back to 42°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 64°F. Set against its neighbours, January runs on par with December and about 3°F cooler than February.
| 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 (°F) | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 59 |
| Avg low (°F) | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 56 | 41 |
| 2 | 56 | 41 |
| 3 | 56 | 41 |
| 4 | 56 | 41 |
| 5 | 56 | 41 |
| 6 | 56 | 41 |
| 7 | 56 | 41 |
| 8 | 56 | 42 |
| 9 | 57 | 42 |
| 10 | 57 | 42 |
| 11 | 57 | 42 |
| 12 | 57 | 42 |
| 13 | 57 | 42 |
| 14 | 57 | 42 |
| 15 | 57 | 42 |
| 16 | 57 | 42 |
| 17 | 57 | 42 |
| 18 | 57 | 42 |
| 19 | 58 | 42 |
| 20 | 58 | 42 |
| 21 | 58 | 42 |
| 22 | 58 | 42 |
| 23 | 58 | 42 |
| 24 | 58 | 42 |
| 25 | 58 | 42 |
| 26 | 59 | 43 |
| 27 | 59 | 43 |
| 28 | 59 | 43 |
| 29 | 59 | 43 |
| 30 | 59 | 43 |
| 31 | 59 | 43 |
Orinda weather by month
How January compares with the rest of the year at a glance. January is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 57° / 42° | 4.0 | 9.3 | 9.7 | 4.2 |
| Feb | 61° / 44° | 4.2 | 8.8 | 10.5 | 5.0 |
| Mar | 64° / 46° | 3.1 | 8.7 | 11.7 | 6.1 |
| Apr | 68° / 48° | 1.4 | 4.9 | 13 | 7.3 |
| May | 74° / 52° | 0.7 | 3 | 14 | 8.4 |
| Jun | 79° / 55° | 0.2 | 0.8 | 14.6 | 8.9 |
| Jul | 80° / 56° | 0.0 | 0.1 | 14.4 | 9.0 |
| Aug | 81° / 56° | 0.0 | 0.2 | 13.5 | 8.9 |
| Sep | 81° / 55° | 0.1 | 0.4 | 12.3 | 8.8 |
| Oct | 75° / 52° | 0.9 | 3 | 11 | 8.5 |
| Nov | 65° / 46° | 1.9 | 5.6 | 10 | 6.5 |
| Dec | 57° / 42° | 3.7 | 9.3 | 9.4 | 4.3 |
Cloud cover in January
The sky is clear or mostly clear about 32% of the time in January, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 57%.
| 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 (%) | 42 | 41 | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 41 | 42 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 45 | 44 | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 44 |
| Cloudier (%) | 58 | 59 | 60 | 60 | 59 | 59 | 59 | 59 | 59 | 58 | 58 | 59 | 58 | 57 | 57 | 56 | 56 | 56 | 56 | 56 | 56 | 55 | 56 | 57 | 56 | 56 | 56 | 56 | 56 | 56 | 56 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 42 | 58 |
| 2 | 41 | 59 |
| 3 | 40 | 60 |
| 4 | 40 | 60 |
| 5 | 41 | 59 |
| 6 | 41 | 59 |
| 7 | 41 | 59 |
| 8 | 41 | 59 |
| 9 | 41 | 59 |
| 10 | 42 | 58 |
| 11 | 42 | 58 |
| 12 | 41 | 59 |
| 13 | 42 | 58 |
| 14 | 43 | 57 |
| 15 | 43 | 57 |
| 16 | 44 | 56 |
| 17 | 44 | 56 |
| 18 | 44 | 56 |
| 19 | 44 | 56 |
| 20 | 44 | 56 |
| 21 | 44 | 56 |
| 22 | 45 | 55 |
| 23 | 44 | 56 |
| 24 | 43 | 57 |
| 25 | 44 | 56 |
| 26 | 44 | 56 |
| 27 | 44 | 56 |
| 28 | 44 | 56 |
| 29 | 44 | 56 |
| 30 | 44 | 56 |
| 31 | 44 | 56 |
Chance of precipitation in January
Orinda gets around 4.0 in of rain over 9.3 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 30% and peaks near 31% 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 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 27 | 27 |
| Rain chance (%) | |
|---|---|
| 1 | 30 |
| 2 | 30 |
| 3 | 30 |
| 4 | 30 |
| 5 | 30 |
| 6 | 30 |
| 7 | 29 |
| 8 | 29 |
| 9 | 29 |
| 10 | 29 |
| 11 | 29 |
| 12 | 30 |
| 13 | 30 |
| 14 | 30 |
| 15 | 30 |
| 16 | 31 |
| 17 | 31 |
| 18 | 31 |
| 19 | 31 |
| 20 | 31 |
| 21 | 31 |
| 22 | 31 |
| 23 | 31 |
| 24 | 30 |
| 25 | 30 |
| 26 | 29 |
| 27 | 29 |
| 28 | 28 |
| 29 | 28 |
| 30 | 27 |
| 31 | 27 |
Humidity in January
Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 |
| Comfortable (%) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 98 | 2 |
| 2 | 98 | 2 |
| 3 | 99 | 1 |
| 4 | 99 | 1 |
| 5 | 99 | 1 |
| 6 | 99 | 1 |
| 7 | 99 | 1 |
| 8 | 99 | 1 |
| 9 | 99 | 1 |
| 10 | 99 | 1 |
| 11 | 99 | 1 |
| 12 | 99 | 1 |
| 13 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 99 | 1 |
| 27 | 99 | 1 |
| 28 | 99 | 1 |
| 29 | 99 | 1 |
| 30 | 99 | 1 |
| 31 | 99 | 1 |
Wind in January
Winds average 5 mph in January.
Across January, daily wind ranges from about 5 mph on the calmest days to 5 mph 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 (mph) | 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 (mph) | 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 January
Daylight runs from about 9 h 24 min at the start of January to 10 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 36 minutes over January. Sunrise moves from 7:29 AM to 7:21 AM, and sunset from 4:54 PM to 5:23 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) | 9.4 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 9.9 | 10.0 | 10.0 | 10.0 |
| Sunrise (AM) | 7:29 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 | 7:29 | 7:29 | 7:29 | 7:29 | 7:28 | 7:28 | 7:28 | 7:27 | 7:27 | 7:26 | 7:26 | 7:25 | 7:25 | 7:24 | 7:24 | 7:23 | 7:22 | 7:22 | 7:21 |
| Sunset (PM) | 4:54 | 4:55 | 4:56 | 4:57 | 4:57 | 4:58 | 4:59 | 5:00 | 5:01 | 5:02 | 5:03 | 5:04 | 5:04 | 5:05 | 5:06 | 5:07 | 5:08 | 5:09 | 5:10 | 5:11 | 5:12 | 5:13 | 5:15 | 5:16 | 5:17 | 5:18 | 5:19 | 5:20 | 5:21 | 5:22 | 5:23 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.4 | 7:29 | 4:54 |
| 2 | 9.4 | 7:30 | 4:55 |
| 3 | 9.4 | 7:30 | 4:56 |
| 4 | 9.4 | 7:30 | 4:57 |
| 5 | 9.5 | 7:30 | 4:57 |
| 6 | 9.5 | 7:30 | 4:58 |
| 7 | 9.5 | 7:30 | 4:59 |
| 8 | 9.5 | 7:30 | 5:00 |
| 9 | 9.5 | 7:30 | 5:01 |
| 10 | 9.5 | 7:30 | 5:02 |
| 11 | 9.5 | 7:30 | 5:03 |
| 12 | 9.6 | 7:30 | 5:04 |
| 13 | 9.6 | 7:29 | 5:04 |
| 14 | 9.6 | 7:29 | 5:05 |
| 15 | 9.6 | 7:29 | 5:06 |
| 16 | 9.6 | 7:29 | 5:07 |
| 17 | 9.7 | 7:28 | 5:08 |
| 18 | 9.7 | 7:28 | 5:09 |
| 19 | 9.7 | 7:28 | 5:10 |
| 20 | 9.7 | 7:27 | 5:11 |
| 21 | 9.8 | 7:27 | 5:12 |
| 22 | 9.8 | 7:26 | 5:13 |
| 23 | 9.8 | 7:26 | 5:15 |
| 24 | 9.8 | 7:25 | 5:16 |
| 25 | 9.9 | 7:25 | 5:17 |
| 26 | 9.9 | 7:24 | 5:18 |
| 27 | 9.9 | 7:24 | 5:19 |
| 28 | 9.9 | 7:23 | 5:20 |
| 29 | 10.0 | 7:22 | 5:21 |
| 30 | 10.0 | 7:22 | 5:22 |
| 31 | 10.0 | 7:21 | 5:23 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 2.29 kWh/m².
For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 7.96 kWh/m² in June across the year — January's 2.29 kWh/m² sits near the bottom.
| 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) | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.3 | 2.3 | 2.3 | 2.3 | 2.4 | 2.4 | 2.4 | 2.4 | 2.5 | 2.5 | 2.5 | 2.6 | 2.6 | 2.6 | 2.7 | 2.7 | 2.7 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.2 | Moderate |
| 2 | 2.2 | Moderate |
| 3 | 2.2 | Moderate |
| 4 | 2.2 | Moderate |
| 5 | 2.2 | Moderate |
| 6 | 2.2 | Moderate |
| 7 | 2.2 | Moderate |
| 8 | 2.2 | Moderate |
| 9 | 2.2 | Moderate |
| 10 | 2.2 | Moderate |
| 11 | 2.2 | Moderate |
| 12 | 2.2 | Moderate |
| 13 | 2.2 | Moderate |
| 14 | 2.2 | Moderate |
| 15 | 2.3 | Moderate |
| 16 | 2.3 | Moderate |
| 17 | 2.3 | Moderate |
| 18 | 2.3 | Moderate |
| 19 | 2.4 | Moderate |
| 20 | 2.4 | Moderate |
| 21 | 2.4 | Moderate |
| 22 | 2.4 | Moderate |
| 23 | 2.5 | Moderate |
| 24 | 2.5 | Moderate |
| 25 | 2.5 | Moderate |
| 26 | 2.6 | Moderate |
| 27 | 2.6 | Moderate |
| 28 | 2.6 | Moderate |
| 29 | 2.7 | Moderate |
| 30 | 2.7 | Moderate |
| 31 | 2.7 | Moderate |
Hazard calendar for Orinda
In January, Orinda sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Orinda's rainy season runs November–March, when most of the year's rain falls.
Is January a good time to visit Orinda?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Orinda for sightseeing.
What to pack for Orinda in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Orinda sees daytime highs around 57°F and nights near 42°F. Worth packing: a warm layer and rain gear. About 9 days see rain.
Sea temperature near Orinda in January
The nearest coast averages about 53°F in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 24 mi away) is warmest in September at about 58°F and coldest in April near 53°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 53 | 53 | 54 | 53 | 53 | 54 | 56 | 58 | 58 | 57 | 55 | 54 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 53 | Bracing |
| Feb | 53 | Bracing |
| Mar | 54 | Bracing |
| Apr | 53 | Bracing |
| May | 53 | Bracing |
| Jun | 54 | Bracing |
| Jul | 56 | Bracing |
| Aug | 58 | Bracing |
| Sep | 58 | Bracing |
| Oct | 57 | Bracing |
| Nov | 55 | Bracing |
| Dec | 54 | Bracing |
UV index in Orinda in January
Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Orinda peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 4 | 6 | 8 | 10 | 10 | 10 | 6 | 5 | 2 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 6 | High |
| Oct | 5 | High |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Orinda in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Orinda is worst in September — around 29 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (June, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 13 | 13 | 10 | 8 | 7 | 10 | 25 | 29 | 27 | 16 | 12 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 13 | Moderate |
| Mar | 13 | Moderate |
| Apr | 10 | Good |
| May | 8 | Good |
| Jun | 7 | Good |
| Jul | 10 | Good |
| Aug | 25 | Moderate |
| Sep | 29 | Moderate |
| Oct | 27 | Moderate |
| Nov | 16 | Moderate |
| Dec | 12 | Good |
Where is Orinda?
Orinda sits at 37.9°N, 122.2°W, 495 ft above sea level, in United States. The nearest listed city is Lafayette, 3.1 mi away.
Topography around Orinda
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Orinda.
Within 2 miles, the terrain around Orinda has significant variations in elevation — a maximum elevation change of 1,398 ft around an average of 820 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,031 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,452 ft.
The land around Orinda is covered by trees (73%) within 2 miles, trees (43%), artificial surfaces (28%) and grassland (20%) within 10 miles, and grassland (27%), water (26%) and trees (23%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- 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 Orinda (37.8772°, -122.1797°, elevation 495 ft), 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).