United States · 1991–2020

Best time to visit
San Clemente.

June leads for comfortable weather in San Clemente: typically 24.4°C by day, 14.2°C at night, with 4 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortJune

Typical high24.4°C

Typical low14.2°C

Rain in June4 mm

Comfort

June

June · October · May

97climate match

Beach

August

August · July · September

79climate match

Outdoors

April

April · November · March

93climate match

The weakest month is February, scoring 58 against June’s 97 — days reach only 19.7°C, 4° below the 24°C the score treats as ideal, and nights drop to 7.3°C.

Month by month

The whole year,
without the guesswork.

The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.

Jan

6319.7° / 6.7°

Feb

5819.7° / 7.3°

Mar

7520.8° / 8.8°

Apr

8422° / 9.8°

May

9223° / 12.4°

Jun

9724.4° / 14.2°

Jul

9226.1° / 15.5°

Aug

8927.1° / 15.6°

Sep

9126.6° / 15.1°

Oct

9424.5° / 12.4°

Nov

8221.7° / 9°

Dec

6819.6° / 6.4°

Monthly climate evidence for San Clemente — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 6 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	19.7°C	6.7°C	75 mm	5.7	15.2°C	10 h 10	63	Good coverage
February	19.7°C	7.3°C	111 mm	6.7	15.2°C	10 h 56	58	Good coverage
March	20.8°C	8.8°C	49 mm	4	15.4°C	11 h 53	75	Good coverage
April	22°C	9.8°C	22 mm	2.4	16.1°C	12 h 58	84	Good coverage
May	23°C	12.4°C	5 mm	1	17.4°C	13 h 52	92	Good coverage
June	24.4°C	14.2°C	4 mm	0.8	18.8°C	14 h 21	97	Good coverage
July	26.1°C	15.5°C	1 mm	0.2	20.6°C	14 h 10	92	Good coverage
August	27.1°C	15.6°C	0 mm	0.1	21.2°C	13 h 23	89	Good coverage
September	26.6°C	15.1°C	4 mm	0.5	20.9°C	12 h 20	91	Good coverage
October	24.5°C	12.4°C	17 mm	1.5	19.6°C	11 h 17	94	Good coverage
November	21.7°C	9°C	23 mm	2.4	17.7°C	10 h 23	82	Good coverage
December	19.6°C	6.4°C	46 mm	3.8	16.0°C	9 h 57	68	Good coverage

Records at LAGUNA BEACH, 1928–2008
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	31.7°C10 Jan 1983	-6.1°C5 Jan 1949	91 mm26 Jan 1956	220 mm1993 · driest 0 mm in 2003	78
February	33.3°C7 Feb 1954	-2.8°C1 Feb 1950	79 mm10 Feb 1963	359 mm1998 · driest 0 mm in 1961	79
March	33.3°C25 Mar 1988	-2.2°C5 Mar 1979	75 mm1 Mar 1983	224 mm1983 · driest 0 mm in 1956	80
April	36.1°C7 Apr 1989	-0.6°C4 Apr 1949	50 mm7 Apr 1958	112 mm1958 · driest 0 mm in 1934	80
May	35.6°C4 May 2004	0.6°C8 May 1950	37 mm28 May 1990	45 mm1930 · driest 0 mm in 1997	80
June	35.6°C26 Jun 1931	2.8°C8 Jun 1950	24 mm10 Jun 1976	24 mm1976 · driest 0 mm in 1946	81
July	37.8°C2 Jul 1985	3.3°C7 Jul 1978	8 mm8 Jul 1992	12 mm1992 · driest 0 mm in 1930	80
August	37.8°C31 Aug 1955	3.3°C23 Aug 1978	45 mm17 Aug 1977	63 mm1977 · driest 0 mm in 1968	79
September	40.0°C28 Sep 1963	4.4°C9 Sep 1950	51 mm25 Sep 1939	60 mm1939 · driest 0 mm in 1980	78
October	37.8°C23 Oct 1965	0.6°C30 Oct 1971	56 mm27 Oct 2004	144 mm2004 · driest 0 mm in 1990	76
November	37.8°C3 Nov 1950	-2.2°C30 Nov 1980	78 mm20 Nov 1963	165 mm1965 · driest 0 mm in 1938	76
December	32.2°C8 Dec 1938	-4.4°C12 Dec 1949	140 mm6 Dec 1997	193 mm1997 · driest 0 mm in 1930	78

Typical days per month at LAGUNA BEACH, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	2	0	<1	3
February	2	<1	0	3
March	3	<1	0	2
April	4	<1	0	<1
May	6	<1	0	<1
June	11	<1	0	<1
July	22	1	0	0
August	26	3	0	0
September	23	3	0	<1
October	9	2	0	<1
November	4	<1	0	<1
December	<1	0	<1	1

How often, not how much — every day in LAGUNA BEACH’s record sorted by what it was actually like, rather than averaged
Month	Warm & dry days	Wet days	Washouts	Week with 3+ wet days	Daytime mean has ranged
January	28%	18%	7%	19%	16.5–20.8°C
February	31%	20%	8%	21%	17.1–20.9°C
March	36%	14%	6%	11%	17.4–21.7°C
April	53%	9%	3%	7%	18.4–22.7°C
May	74%	4%	<1%	1%	19.7–23.8°C
June	91%	2%	<1%	0%	20.9–24.6°C
July	99%	<1%	0%	0%	22.7–26.6°C
August	99%	1%	<1%	<1%	23.7–27.8°C
September	97%	3%	<1%	<1%	23.2–27.3°C
October	90%	5%	1%	3%	21.6–26.1°C
November	63%	9%	4%	6%	19.4–23.6°C
December	35%	13%	5%	13%	17.2–20.9°C

A warm and dry day reaches 20°C with under 1 mm of rain; a wet day gets 1 mm or more; a washout gets 10 mm or more. The week column is the share of seven-day stretches in that month, across the station’s whole daily record, that contained three or more wet days — the odds a week-long trip is rained on repeatedly, counted rather than modelled. The last column is the 10th to 90th percentile of that month’s daytime average across individual years: a narrow band means the average is what you will get, a wide one means the average is a midpoint between years that felt quite different.

1929Each stripe is one year’s mean temperature against the 57-year average. Warmest: 1931. Coolest: 1949.2007

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 5391791
NOAA station: USC00044647 · LAGUNA BEACH
Station distance: 20.5 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 16 usable years
Daylight: Calculated from latitude 33.43°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 6 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
Important limit: Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

These places read the same station, so their numbers are identical — distance from LAGUNA BEACH is what differs

Mission Viejo→Laguna Niguel→Aliso Viejo→San Juan Capistrano→Dana Point→Laguna Hills→

Or put two places side by side: San Clemente vs Mission Viejo

Best time to visitSan Clemente.