California it the most populated and third biggest state in the United States. It is situated in western part of the country and washed by the Pacific Ocean. Relief of the state varies greatly. Central part of the California is vast Central Plain surrounded by mountains: Pacific Coast Ranges on west, Sierra-Nevada on east, Cascade Range on north and Tehachapi Mountains on south. Also there are desert in south-eastern part of the state.

Climate of coastal areas of California is formed under influence of the Pacific Ocean while weather conditions of inland territories depend on features of relief. Most of the state has Mediterranean climate with moderate temperature ranges of dry summer and rainy winter. Due to brier effect of mountains humid air from above the ocean cannot reach inland territories resulting wider ranges of temperature.

Seasons

Contents:

• Spring
• Summer
• Autumn
• Winter

Spring in California

In early spring northern half of the state stays cool with daily range of temperature between 62 °F (17 °C) and 39 °F (4 °C). Elevated ski resorts may remain open until April, but in regions with lower altitude melting snow feeds waterfalls and they shine. Meantime in wine country there is vigorous vegetation of vines.

Central plain has around 66 °F (19 °C) in April but, by May temperature rises to 80 °F (27 °C). Spring in southern regions is one of the most pleasant seasons before summer humidity brings overcast and fogs. In late May southern California falls under June gloom with overcast and cooler weather.

Climate of the Spring Months

March Max average t°: 64 °F (+18 °C) Min average t°: 43 °F (+6 °C) Sundial in the day: 9 hours Rainy days: 9 days Precipitation: 2.6" (67 mm)

April Max average t°: 71 °F (+22 °C) Min average t°: 46 °F (+8 °C) Sundial in the day: 11 hours Rainy days: 5 days Precipitation: 1.3" (32 mm)

May Max average t°: 80 °F (+26.5 °C) Min average t°: 50 °F (+10 °C) Sundial in the day: 13 hours Rainy days: 3 days Precipitation: 0.3" (8 mm)

(Sacramento)

Spring holidays

March 1st: National Women of Color Day.
March 17: St.Patrick 's Day.
March 31: Cesar Chavez Day.

March or April: Good Friday from 12 noon until 3 p.m.
April 1: April Fools' Day.
April 22: International Earth Day.
April 24: Genocide Remembrance Day.

2nd Sunday of May: Mother’s Day.
last Monday in May: Memorial Day.

Summer in California

Summer in California is dry when precipitation is little to absent. Temperature grows from 80 °F (27 °C) to 88 °F (31 °C) throughout the season. Nights are much cooler with averages of 53 °F (12 °C) to 57 °F (14 °C). It is better to spend summer in coastal areas or close to major bodies of water because of blazing heat of inland regions.

Other way to avoid summer melting in California is head to elevated mountainous regions for hiking of other available activities. Summer in San-Francisco possesses some cool weather too. When fog of the Pacific Ocean covers the city temperature may vary by ≈20 °F (10 °C) in matter of miles.

Climate of the Summer Months

June Max average t°: 87 °F (+31 °C) Min average t°: 55 °F (+13 °C) Sundial in the day: 14 hours Rainy days: 1 day Precipitation: 0.12" (3 mm)

July Max average t°: 93 °F (+34 °C) Min average t°: 58 °F (+14 °C) Sundial in the day: 14 hours Rainy days: 0 days Precipitation: 0.04" (1 mm)

August Max average t°: 92 °F (+33 °C) Min average t°: 58 °F (+14 °C) Sundial in the day: 13 hours Rainy days: 0 days Precipitation: 0.08" (2 mm)

(Sacramento)

Summer holidays

June 14: Day of the American flag.
June 19: Juneteenth.
Third Sunday of June: Father’s Day.

July 4: Independence Day.
August 26: Women's Equality Day.

Autumn in California

Autumn is perfect season across the state. Summer heat gone as well as fogs and rainy season is ahead. From September to mid-October it is still warm in California. Daytime averages drop from 82 °F (28 °C) in September to 73 °F (23 °C) in October. Surprisingly it is the warmest time in San-Francisco. Though, daily ranges are exceptionally wide and after sunset air cool down to 53 °F (12 °C) in September and 46 °F (8 °C) in October.

Weather of November is not as pleasing as it was before. Rainy season starts and monthly amount of precipitation is seven times higher than it was in first month of autumn. Daily range is between 55 °F (13 °C) at afternoon and 39 °F (4 °C) at night.

Climate of the Autumn Months

September Max average t°: 87 °F (+31 °C) Min average t°: 56 °F (+13 °C) Sundial in the day: 12 hours Rainy days: 1 day Precipitation: 0.3" (8 mm)

October Max average t°: 78 °F (+25.5 °C) Min average t°: 50 °F (+10 °C) Sundial in the day: 9.5 hours Rainy days: 3.5 days Precipitation: 1.0" (26 mm)

November Max average t°: 63 °F (+17 °C) Min average t°: 43 °F (+6 °C) Sundial in the day: 6.5 hours Rainy days: 7 days Precipitation: 2.8" (70 mm)

(Sacramento)

Autumn holidays

1st Monday in September: Labor Day.
September 9: Admission Day.
4th Friday in September: Native American Day.

2nd Monday in October: Columbus Day.
October 31: Halloween (All Hallows' Eve).

November 11: Veterans Day.
4th Thursday in November: Thanksgiving Day.

Winter in California

Winter is mild and rainy in California. Temperature hardly ever goes below freezing and sow is possible only in northernmost edges of the state and in mountains. Scenery of winter San-Francisco under snowcapped peaks is peculiar. December and January are as warm as 55 °F (13 °C) at middle of a day and as cool as 35 °F (2 °C) at night.

Averages of February are 59-37 °F (15-3 °C), but weather varies greatly across the state. Meaning somewhere around the Death Valley National Park is may reach 71 °F (22 °C) while on higher elevations there is heist of skiing season.

Climate of the Winter Months

December Max average t°: 53 °F (+12 °C) Min average t°: 38 °F (+3 °C) Sundial in the day: 4.5 hours Rainy days: 10 days Precipitation: 2.7" (69 mm)

January Max average t°: 53 °F (+12 °C) Min average t°: 38 °F (+3 °C) Sundial in the day: 4.5 hours Rainy days: 10 days Precipitation: 3.9" (98 mm)

February Max average t°: 60 °F (+15.5 °C) Min average t°: 41 °F (+5 °C) Sundial in the day: 7 hours Rainy days: 9 days Precipitation: 2.95" (75 mm)

(Sacramento)

Winter holidays

December 25: Christmas Day.

January 1: New Year’s Day.
January 20 every fourth year: Inauguration Day.
3rd Monday in January: Martin Luther King Jr. Day.

February 12: Lincoln Day.
February 14: St. Valentine's Day.
3rd Monday in February: President’s Day.