January weather forecastGoleta, CA

January

Weather in January

January is a refreshing winter month in Goleta, California, with an average temperature ranging between max 62.2°F (16.8°C) and min 48.7°F (9.3°C).

Temperature

Goleta observes a minor difference in average high-temperatures between December's 60.6°F (15.9°C) and January's 62.2°F (16.8°C). Goleta's nights in January cool down to an average low-temperature of 48.7°F (9.3°C).

Humidity

In January, the average relative humidity is 59%.

Rainfall

The month with the most rainfall is January, when the rain falls for 5.3 days and typically aggregates up to 1.57" (40mm) of precipitation.

Daylight

In Goleta, the average length of the day in January is 10h and 10min.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:59 pm. On the last day of January, sunrise is at 6:57 am and sunset at 5:27 pm PST.

Sunshine

The average sunshine in January is 6.8h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 in January interprets into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Goleta in January has an average high-temperature of 62.2°F (16.8°C) and an average low-temperature of 48.7°F (9.3°C).

In Goleta, the average relative humidity in January is 59%.

January is the month with the most rainfall. Rain falls for 5.3 days and accumulates 1.57" (40mm) of precipitation.

In Goleta, during January, the rain falls for 5.3 days and regularly aggregates up to 1.57" (40mm) of precipitation.

In January, the average day length is 10h and 10min.

On the first day of January, sunrise is at 7:05 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:27 pm PST.

In Goleta, the average sunshine duration in January is 6.8h.

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index.

In Goleta, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Goleta, CA

  • Average high temperature in January: 62.2°F

The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (60.6°F).

  • Average low temperature in January: 48.7°F

The month with the highest average low temperature is August (62.1°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).

Average pressure in January
Goleta, CA

  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

Average wind speed in January
Goleta, CA

  • Average wind speed in January: 6.5mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in January
Goleta, CA

  • Average humidity in January: 59%

The month with the highest relative humidity is March (64%).
The months with the lowest relative humidity are September, October and November (56%).

Average rainfall in January
Goleta, CA

  • Average rainfall in January: 1.57"

The wettest month (with the highest rainfall) is January (1.57").
The driest months (with the least rainfall) are June and August (0.08").

Average rainfall days in January
Goleta, CA

  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.2 days).

Average daylight in January /
Average sunshine in January
Goleta, CA

  • Average daylight in January: 10h and 12min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in January: 6h and 48min

The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in January
Goleta, CA

  • Average sunshine days in January: 24.9 days

The month with the most sunshine days is August (28 days).
The month with the least sunshine days is February (21.6 days).

Average UV index in January
Goleta, CA

  • Average UV index in January: 4

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in January
Goleta, CA

  • Average cloud cover in January: 21

The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in January
Goleta, CA

  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).