Fallbrook, United States — Weather in April 2027

Climate Overview

Fallbrook, United States in April has warm conditions, with highs averaging 21.8°C (71°F). Temperatures drop noticeably between day and night. Sea temperature stays cool at 16.4°C (62°F).

This month falls at the middle of Spring.

Temperatures remain fairly steady throughout April, with daily highs around 21°C (70°F).

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

Expect around 11.3h of sunshine at the start of April, increasing to 11.9h by the end.

The warmest days tend to fall around the 21th, averaging 23°C (73°F).

Compared to March, this month is about 3°C warmer with 5 fewer rainy days.

Monthly April Averages

Temperature

22°C / 12°C

Feels Like

22°C / 11°C

Rain

4 days · 23 mm

Sunshine

11.5h / day

Humidity

70% — Humid

Wind

15 km/h

Wind Direction

SW (236°)

Gusts

34 km/h

Daylight

13 h

Cloud Cover

47%

Clear Sky Days

7.3

UV Index

7.4 — Very High

Sea Temperature

16°C

Dew Point

11°C — Comfortable

Moon Phase

Waxing Gibbous · 61%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:20

Daylight 13h

Sunset 19:20

What to Expect

Daytime temperatures around 22°C (71°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

3days (13 mm) Excellent

1days (2 mm) Excellent

1days (2 mm) Excellent

1days (7 mm) Excellent

2days (9 mm) Excellent

3days (11 mm) Excellent

3days (36 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	18°C / 7°C	16°C / 5°C	6days (76 mm) Good	8.3h Good	72% Muggy	3.8 Moderate	Good	View Details
February	19°C / 8°C	17°C / 6°C	7days (68 mm) Good	9.1h Good	69% Muggy	4.5 Moderate	Good	View Details
March	19°C / 9°C	18°C / 8°C	9days (72 mm) Wet	10.1h Excellent	75% Muggy	6 High	Good	View Details
April	22°C / 12°C	22°C / 11°C	4days (23 mm) Good	11.5h Excellent	70% Muggy	7.4 Very High	Excellent	View Details
May	22°C / 13°C	23°C / 13°C	3days (13 mm) Excellent	12.3h Excellent	73% Muggy	7.8 Very High	Excellent	View Details
June best	27°C / 16°C	28°C / 17°C	1days (2 mm) Excellent	13.3h Excellent	68% Muggy	8.4 Very High	Excellent	View Details
July	30°C / 19°C	32°C / 21°C	1days (2 mm) Excellent	13.1h Excellent	66% Muggy	8.4 Very High	Excellent	View Details
August	31°C / 20°C	33°C / 23°C	1days (7 mm) Excellent	12.2h Excellent	66% Muggy	8 Very High	Excellent	View Details
September best	29°C / 19°C	30°C / 21°C	2days (9 mm) Excellent	11.2h Excellent	67% Muggy	7 High	Excellent	View Details
October best	27°C / 15°C	26°C / 15°C	3days (11 mm) Excellent	10.2h Excellent	64% Muggy	5.7 High	Excellent	View Details
November	23°C / 11°C	21°C / 10°C	3days (36 mm) Excellent	9h Good	63% Muggy	4.3 Moderate	Excellent	View Details
December	19°C / 8°C	17°C / 7°C	5days (55 mm) Good	7.9h Good	69% Muggy	3.5 Moderate	Good	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 Fallbrook?

April is typically excellent for visiting Fallbrook, with average highs of 22°C (71°F) and around 4 rainy days. Fallbrook, United States in April has warm conditions, with highs averaging 21.8°C (71°F). Temperatures drop noticeably

Does it rain a lot in Fallbrook in April?

Fallbrook typically sees around 4 rainy days in April with 23 mm (0.9 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Fallbrook in April?

Nights in Fallbrook during April are cool at around 12°C (53°F). Bring a jacket or sweater for evenings.

What should I pack for Fallbrook in April?

With highs of 22°C (71°F) and lows of 12°C (53°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 Fallbrook?

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

What is the UV index in Fallbrook in April?

The average UV index in Fallbrook 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 Fallbrook in April?

Fallbrook gets approximately 13 hours of daylight per day in April, with around 12 hours of sunshine.

Does it snow in Fallbrook in April?

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

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