Foothill Ranch, United States — Weather in August 2026

Climate Overview

Foothill Ranch, United States in August has hot conditions, with highs reaching 29.3°C (85°F) and afternoons the warmest part of the day. Rain is rare, falling on about 0 days this month. Temperatures drop noticeably between day and night. Sea temperature averages 22.7°C (73°F).

This month falls at the end of Summer.

Temperatures remain fairly steady throughout August, with daily highs around 30°C (86°F).

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

Expect around 12.6h of sunshine at the start of August, decreasing to 11.9h by the end.

The warmest days tend to fall around the 31th, averaging 30.3°C (87°F).

Monthly August Averages

Temperature

29°C / 19°C

Feels Like

32°C / 21°C

Rain

0 days · 8 mm

Sunshine

12.1h / day

Humidity

68% — Muggy

Wind

13 km/h

Wind Direction

SW (220°)

Gusts

34 km/h

Daylight

13.4 h

Cloud Cover

20%

Clear Sky Days

20.4

UV Index

8 — Very High

Sea Temperature

23°C

Dew Point

18°C — Humid

Moon Phase

Waxing Crescent · 3%

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 06:14

Daylight 13.4h

Sunset 19:39

What to Expect

Daytime temperatures around 29°C (85°F) are ideal for full-day outdoor exploration.

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

Recent yearly records for August have stayed close to the long-run average.

Compare Months

2days (21 mm) Excellent

2days (8 mm) Excellent

1days (2 mm) Excellent

0days (1 mm) Excellent

0days (8 mm) Excellent

1days (7 mm) Excellent

2days (11 mm) Excellent

3days (34 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	18°C / 8°C	16°C / 6°C	6days (81 mm) Good	8.2h Good	73% Muggy	3.8 Moderate	Good	View Details
February	19°C / 8°C	17°C / 6°C	6days (69 mm) Good	8.9h Good	70% Muggy	4.4 Moderate	Good	View Details
March	19°C / 9°C	18°C / 8°C	8days (74 mm) Wet	10h Excellent	76% Humid	6.1 High	Good	View Details
April	21°C / 12°C	21°C / 11°C	2days (21 mm) Excellent	11.2h Excellent	71% Muggy	7.4 Very High	Excellent	View Details
May	22°C / 13°C	22°C / 13°C	2days (8 mm) Excellent	11.8h Excellent	72% Muggy	7.9 Very High	Excellent	View Details
June best	26°C / 16°C	27°C / 16°C	1days (2 mm) Excellent	13h Excellent	69% Muggy	8.4 Very High	Excellent	View Details
July best	29°C / 18°C	31°C / 20°C	0days (1 mm) Excellent	13.2h Excellent	66% Muggy	8.5 Very High	Excellent	View Details
August	29°C / 19°C	32°C / 21°C	0days (8 mm) Excellent	12.1h Excellent	68% Muggy	8 Very High	Excellent	View Details
September best	28°C / 18°C	30°C / 20°C	1days (7 mm) Excellent	11.1h Excellent	70% Muggy	7.1 Very High	Excellent	View Details
October best	26°C / 15°C	26°C / 15°C	2days (11 mm) Excellent	10.1h Excellent	68% Muggy	5.7 High	Excellent	View Details
November	22°C / 11°C	21°C / 10°C	3days (34 mm) Excellent	9h Good	66% Muggy	4.3 Moderate	Excellent	View Details
December	19°C / 9°C	17°C / 7°C	5days (63 mm) Good	7.8h Good	71% Muggy	3.5 Moderate	Good	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

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

Packing List

Breathable clothingSunscreen (SPF 30+)Sun hatSunglassesSandals

Frequently Asked Questions

Expand all

Is August a good time to visit Foothill Ranch?

August is typically excellent for visiting Foothill Ranch, with average highs of 29°C (85°F) and around 0 rainy days. Foothill Ranch, United States in August has hot conditions, with highs reaching 29.3°C (85°F) and afternoons the warmest

Does it rain a lot in Foothill Ranch in August?

Foothill Ranch typically sees around 0 rainy days in August with 8 mm (0.3 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Foothill Ranch in August?

Nights stay pleasantly warm in Foothill Ranch during August, around 19°C (67°F). Light evening wear is sufficient.

What should I pack for Foothill Ranch in August?

With highs of 29°C (85°F) and lows of 19°C (67°F) in August, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. Comfortable walking shoes are essential.

Is August among the best months weather-wise in Foothill Ranch?

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

What is the UV index in Foothill Ranch in August?

The average UV index in Foothill Ranch during August is 8 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

How many hours of daylight are there in Foothill Ranch in August?

Foothill Ranch gets approximately 13 hours of daylight per day in August, with around 12 hours of sunshine.

Does it snow in Foothill Ranch in August?

Snow is uncommon in Foothill Ranch during August based on 10-year climate averages.

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