San Pablo, United States — Weather in April 2027

Climate Overview

San Pablo, United States in April has warm conditions, with highs averaging 20.8°C (69°F). Temperatures drop noticeably between day and night. Sea temperature stays cool at 15.2°C (59°F).

This month falls at the middle of Spring.

Daily highs in April gradually rise from around 20°C (67°F) at the start to 23°C (73°F) by month's end.

Rainfall is heaviest during the first third of the month, while the last third tends to be drier.

Expect around 10.3h of sunshine at the start of April, increasing to 11.9h by the end.

The warmest days tend to fall around the 30th, averaging 23.1°C (74°F).

Compared to March, this month is about 3°C warmer with 7 fewer rainy days. Temperatures will rise further into May.

Monthly April Averages

Temperature

21°C / 9°C

Feels Like

20°C / 7°C

Rain

4 days · 26 mm

Sunshine

11h / day

Humidity

70% — Humid

Wind

18 km/h

Wind Direction

WSW (247°)

Gusts

40 km/h

Daylight

13.2 h

Cloud Cover

45%

Clear Sky Days

7.6

UV Index

6.9 — High

Sea Temperature

15°C

Dew Point

9°C — Dry

Moon Phase

Waxing Gibbous · 61%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:34

Daylight 13.2h

Sunset 19:46

What to Expect

Daytime temperatures around 21°C (69°F) are ideal for full-day outdoor exploration.

Rain is uncommon in this month, so most days stay dry from morning through evening.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

2days (16 mm) Excellent

0days (1 mm) Excellent

0days (0 mm) Excellent

0days (0 mm) Excellent

1days (4 mm) Excellent

2days (26 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	15°C / 6°C	13°C / 4°C	10days (112 mm) Wet	6.6h Fair	82% Humid	2.9 Moderate	Fair	View Details
February	17°C / 6°C	15°C / 4°C	7days (94 mm) Good	8.3h Good	75% Muggy	3.7 Moderate	Fair	View Details
March	18°C / 7°C	16°C / 5°C	11days (94 mm) Wet	9.2h Good	75% Muggy	5.4 High	Good	View Details
April	21°C / 9°C	20°C / 7°C	4days (26 mm) Good	11h Excellent	70% Muggy	6.9 High	Good	View Details
May best	24°C / 11°C	23°C / 9°C	2days (16 mm) Excellent	12.5h Excellent	66% Muggy	7.9 Very High	Excellent	View Details
June best	27°C / 13°C	27°C / 11°C	0days (1 mm) Excellent	13.4h Excellent	63% Muggy	8.2 Very High	Excellent	View Details
July best	28°C / 13°C	28°C / 12°C	0days (0 mm) Excellent	13.2h Excellent	67% Muggy	8.3 Very High	Excellent	View Details
August best	28°C / 14°C	29°C / 14°C	0days (0 mm) Excellent	12.4h Excellent	68% Muggy	7.7 Very High	Excellent	View Details
September best	28°C / 14°C	28°C / 14°C	1days (4 mm) Excellent	11.2h Excellent	67% Muggy	6.4 High	Excellent	View Details
October	25°C / 12°C	24°C / 11°C	2days (26 mm) Excellent	9.5h Good	63% Muggy	5 Moderate	Excellent	View Details
November	19°C / 8°C	17°C / 7°C	6days (51 mm) Good	7.9h Good	73% Muggy	3.4 Moderate	Good	View Details
December	15°C / 6°C	13°C / 4°C	9days (96 mm) Wet	6.3h Fair	81% Humid	2.6 Moderate	Fair	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

Packing List

Warm evening layerSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is April a good time to visit San Pablo?

April is typically good for visiting San Pablo, with average highs of 21°C (69°F) and around 4 rainy days. San Pablo, United States in April has warm conditions, with highs averaging 20.8°C (69°F). Temperatures drop noticeably

Does it rain a lot in San Pablo in April?

San Pablo typically sees around 4 rainy days in April with 26 mm (1 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in San Pablo in April?

Nights in San Pablo during April are cool at around 9°C (48°F). Bring a jacket or sweater for evenings.

What should I pack for San Pablo in April?

With highs of 21°C (69°F) and lows of 9°C (48°F) in April, we recommend: Warm evening layer, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.

Is April among the best months weather-wise in San Pablo?

April is not the most favourable month weather-wise in San Pablo. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in San Pablo in April?

The average UV index in San Pablo during April is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in San Pablo in April?

San Pablo gets approximately 13 hours of daylight per day in April, with around 11 hours of sunshine.

Does it snow in San Pablo in April?

Snow is uncommon in San Pablo during April based on 10-year climate averages.

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