Day
21 °C
Night
9 °C
Sea
14 °C
Precipitation
31 mm
in month
Rainy days
3 days
in month
Daylight
13 hours
average
Sunshine
10 hours
average
Humidity
69 %
The week of 10 March 2025 - 16 March 2025 had an average daily temperature of 16 °C (61 °F) and a minimum (nighttime) temperature of 8 °C (46 °F). Both the daily and night temperatures in Santa Barbara are slightly below the long-term average, which is around 19 °C (66 °F) and 8 °C (46 °F) respectively. The average temperatures observed during different times of day (based on local time) were as below: 7am 10 °C (50 °F), 10am 13 °C (55 °F), 1pm 15 °C (59 °F), 4pm 15 °C (59 °F), 7pm 12 °C (54 °F), 10pm 11 °C (52 °F).
The week had 2 days without rain, 1 day with light rain and 4 days with moderate rain. The total precipitation for the week in Santa Barbara was 48 mm (1.89 in), which is above the area's average of 18 mm (0.71 in). From dawn to dusk, there was an average of 53 % cloud coverage during the day. There was a meteorological observation of mist and haze.
An average wind speed of 3.6 m/s was recorded. The air pressure varied between 1009 hpa and 1022 hpa. On average, the air humidity in Santa Barbara was 76 %.
During the daytime (from dawn to dusk), there were in average: 5 hours clear skies, 1 hour partially overcast skies, 4 hours overcast skies and 2.5 hours rainy weather. The sunrise on average occurred at 06:11, and the sunset occurred at 18:04.
Characterized by tropical weather patterns, Santa Barbara in the United States of America offers a range of temperatures from 18 °C (65 °F) to 26 °C (79 °F) during daytime from the coldest month of January to the warmest in August. Nightly temperatures vary between 6 °C (44 °F) in January and 15 °C (59 °F) in August. Ocean temperatures fluctuate from 14 °C (57 °F) in April to 18 °C (65 °F) during August's peak. The driest month is July, averaging a mere 0 days of rainfall, while February is conversely the wettest with 7 days of precipitation.
In Santa Barbara, January witnesses the lowest daytime temperatures of the year while the sea temperature also continues its decline steadily, clocking in at 14 °C (58 °F). The increase in the number of rainy days is noted, reaching 6 days, with the rainfall volume likewise growing in comparison to the prior month to a total of 97 mm (3.80 in). The minimal night temperatures are recorded, sitting at a chilly 6 °C (44 °F), and humidity levels drop to their lowest point at 67 %.
February sees the highest number of rainy days at 7 days in Santa Barbara, accompanied by peak rainfall volumes of 106 mm (4.17 in). A hint at warmer nights emerges with the temperature increasing slightly to 7 °C (45 °F). An upsurge in the number of sunlit hours is evident compared to the previous month, registering 7 hours.
March indicates the outset of a decrease in both the number of rainy days, now at 6 days, and the volume of rainfall, measured at 79 mm (3.09 in) in Santa Barbara. Day temperatures start to climb, reaching 19 °C (67 °F), while a parallel rise in night temperatures is noted at 8 °C (47 °F). Cloud-free hours continue their incremental ascent.
April in Santa Barbara is marked by a continued rise in day temperatures, now at 21 °C (69 °F), while the sea temperature remains at its yearly low. The decline in the number of rainy days is more pronounced, down to 3 days, and corresponding rainfall volumes also fall to 31 mm (1.21 in). Nighttime temperatures warm up to 9 °C (49 °F), and wind speeds reach their peak for the year.
As May arrives, a further increase in day temperatures to 22 °C (71 °F) is noted in Santa Barbara, alongside the inception of a rise in sea temperatures. Additionally, rainfall numbers continue their downswing, now at 9 mm (0.36 in), and the frequency of rainy days exhibits a decrease to 1 day. The transition to drier conditions is underway. Night temperatures experience an uptick, marked at 11 °C (52 °F).
The onset of the tourist season in June is accompanied by rising day temperatures, which now average 23 °C (74 °F), while sea temperatures also continue their upward trajectory. A minimal number of rainy days, tallying 1 day, and a correspondingly low volume of rainfall at 2 mm (0.08 in) denote the onset of dry conditions. The nighttime temperature rise maintains its course, now at 13 °C (55 °F).
The peak of the tourist season in July sees day temperatures ascending further to 25 °C (77 °F), while sea temperatures also hit higher marks at 18 °C (64 °F). The nadir of both rainfall frequency and volume is noted, now at 0 mm (0.01 in). The zenith of cloud-free daylight hours is likewise visible, with 11 hours being the highest recorded.
August in Santa Barbara brings about the highest day temperatures for the year, peaking at 26 °C (79 °F), and the sea also reaches its warmest at 18 °C (65 °F). The continuation of the tourist season is apparent, and a pending end to the dry period is also on the horizon. Night temperatures achieve their highest levels, now at 15 °C (59 °F). Daylight hours without clouds reduce slightly in August.
Santa Barbara experiences a continuation of the tourist season in September, while the apex of the dry season is also near. A gradual decline in day temperatures is noticeable, averaging 25 °C (78 °F), and night temperatures begin their descent, now at 14 °C (58 °F). The rise in rainy days becomes apparent, yet sunlight hours without clouds continue to diminish, tallying 9 hours.
October marks the continuation of the tourist season in Santa Barbara with witnessed reductions in day temperatures, now at 24 °C (75 °F), and nighttime temperatures following suit, recorded at 12 °C (54 °F). An increase in the volume of rainfall is noted at 17 mm (0.65 in), while the number of rainy days also creeps up, indicated by 2 days. Wind speeds hit their annual minimum.
As November commences, the gradual decrease in sea temperatures is evident at 16 °C (62 °F) in Santa Barbara. Concurrent with this, day temperatures also continue to decline, averaging 22 °C (71 °F). The upward trend in rainy days is maintained, registering 4 days, with the rise in rainfall volumes apparent at 43 mm (1.67 in). Sunlight hours reduce in parallel with earlier months, tallying 6 hours, while nighttime temperatures proceed to fall, now at 9 °C (48 °F).
December observes a further drop in day temperatures, registering at 18 °C (65 °F) in Santa Barbara, while sea temperatures also continue their downward trend, now at 15 °C (59 °F). A growing number of rainy days is apparent, climbing to 5 days, with the rain volumes persistently increasing and the shortest daylight hours of the year becoming prominent.
In January, Santa Barbara generally experiences around 6 days of rainfall.
February typically exhibits high humidity levels, averaging about 69 %.
One can expect moderate winds in March, with an average speed of 4 m/s.
Approximately 10 hours of sunshine can be anticipated in Santa Barbara for the month of April.
Santa Barbara expects to see around 1 day with rainfall in May.
Santa Barbara is highly recommended for visitors in June with infrequent rain, averaging only 1 day per month, and agreeable temperatures.
Santa Barbara's sea temperatures in July are expected to be approximately 18 °C (64 °F).
During August, you can typically expect daytime temperatures to hover around 26 °C (79 °F) in Santa Barbara.
September in Santa Barbara offers pleasant and inviting warmth, likely ensuring a comfortable stay.
October doesn't typically bring a wet season to Santa Barbara; expect an average of 2 days with some rainfall.
In November, you can expect the nights in Santa Barbara to be bracingly cool, averaging around 9 °C (48 °F).
December does not belong to the dry season; Santa Barbara sees an average of approximately 5 days of rain in this month.