United States · 1991–2020

Best time to visit
Bonsall.

June leads for comfortable weather in Bonsall: typically 24.8°C by day, 14.6°C at night, with 2 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortJune

Typical high24.8°C

Typical low14.6°C

Rain in June2 mm

Comfort

June

June · May · October

97climate match

Beach

August

August · September · July

88climate match

Outdoors

April

April · March · November

93climate match

The weakest month is February, scoring 64 against June’s 97 — days reach only 19.8°C, 4° below the 24°C the score treats as ideal, and nights drop to 7.6°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

6620.1° / 7.4°

Feb

6419.8° / 7.6°

Mar

7520.7° / 8.9°

Apr

8522.2° / 10°

May

9222.9° / 12.7°

Jun

9724.8° / 14.6°

Jul

8627.3° / 16.7°

Aug

8128.5° / 17.2°

Sep

8428.3° / 16.2°

Oct

9125.8° / 13.3°

Nov

8722.9° / 9.7°

Dec

6819.7° / 7.1°

Monthly climate evidence for Bonsall — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 23 km away
Month	Day	Night	Rain	Wet days	Sea	Daylight	Comfort	Coverage
January	20.1°C	7.4°C	73 mm	5.9	15.2°C	10 h 10	66	Strong coverage
February	19.8°C	7.6°C	74 mm	6.3	15.2°C	10 h 56	64	Strong coverage
March	20.7°C	8.9°C	50 mm	4.7	15.5°C	11 h 53	75	Strong coverage
April	22.2°C	10°C	25 mm	2.8	16.2°C	12 h 58	85	Strong coverage
May	22.9°C	12.7°C	9 mm	1.9	17.5°C	13 h 52	92	Strong coverage
June	24.8°C	14.6°C	2 mm	0.6	18.9°C	14 h 20	97	Strong coverage
July	27.3°C	16.7°C	3 mm	0.4	20.7°C	14 h 09	86	Strong coverage
August	28.5°C	17.2°C	1 mm	0.2	21.4°C	13 h 23	81	Strong coverage
September	28.3°C	16.2°C	3 mm	0.5	21.0°C	12 h 20	84	Strong coverage
October	25.8°C	13.3°C	16 mm	1.5	19.6°C	11 h 18	91	Strong coverage
November	22.9°C	9.7°C	28 mm	3.2	17.7°C	10 h 24	87	Strong coverage
December	19.7°C	7.1°C	49 mm	5.2	16.0°C	9 h 58	68	Strong coverage

What has changed

Bonsall runs +0.1°C
on the 1961–1990 baseline.

Each bar compares the 2011–2025 daytime average for that month against the same month in 1961–1990, measured at the same station. Months where the older record is too thin to compare are left blank.

Jan

+0.7

Feb

-0.3

Mar

0.0

Apr

+0.4

May

-0.4

Jun

-0.2

Jul

-0.6

Aug

-0.2

Sep

+0.1

Oct

+0.3

Nov

+0.8

Dec

+0.1

June daytime highs, 2011–2025. Last recorded: 24.2°C.

Records at VISTA, 1957–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	34.4°C15 Jan 2021	-6.1°C13 Jan 1963	74 mm29 Jan 1980	312 mm1993 · driest 0 mm in 1963	63
February	33.9°C3 Feb 1963	-1.7°C20 Feb 2018	83 mm28 Feb 1991	232 mm1980 · driest 0 mm in 1967	63
March	35.6°C26 Mar 1988	-3.9°C22 Mar 2007	74 mm5 Mar 1995	214 mm1995 · driest 0 mm in 1972	62
April	38.3°C6 Apr 1989	-0.6°C4 Apr 2008	81 mm10 Apr 2020	167 mm2020 · driest 0 mm in 1993	63
May	38.3°C15 May 2014	0.0°C12 May 2003	32 mm8 May 2017	62 mm1977 · driest 0 mm in 1970	63
June	42.2°C30 Jun 1985	5.6°C2 Jun 1967	15 mm5 Jun 1993	17 mm1990 · driest 0 mm in 2016	63
July	41.7°C1 Jul 1985	6.7°C10 Jul 2004	16 mm21 Jul 1997	29 mm2015 · driest 0 mm in 1963	64
August	41.1°C29 Aug 1998	5.0°C8 Aug 2004	37 mm17 Aug 1977	57 mm2023 · driest 0 mm in 2004	65
September	41.7°C24 Sep 1978	3.9°C26 Sep 2007	31 mm25 Sep 1986	65 mm1963 · driest 0 mm in 1970	64
October	41.7°C24 Oct 2017	2.2°C31 Oct 1971	48 mm20 Oct 2004	135 mm2004 · driest 0 mm in 1967	62
November	36.1°C2 Nov 1997	0.6°C29 Nov 1975	61 mm23 Nov 1965	188 mm1965 · driest 0 mm in 1962	64
December	32.2°C4 Dec 1979	-5.0°C18 Dec 2007	75 mm22 Dec 2010	206 mm2010 · driest 0 mm in 2017	65

Typical days per month at VISTA, 1991–2020
Month	Days 25°C+	Days 30°C+	Heavy rain (10 mm+)
January	5	<1	2
February	4	<1	2
March	5	<1	2
April	7	2	<1
May	7	2	<1
June	13	2	0
July	25	6	<1
August	27	9	0
September	24	9	<1
October	16	6	<1
November	9	2	<1
December	3	<1	2

How often, not how much — every day in VISTA’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	44%	18%	7%	21%	17.6–22.5°C
February	44%	20%	8%	24%	17.6–22.3°C
March	47%	18%	7%	16%	18.3–22.6°C
April	62%	10%	2%	7%	19.8–24.1°C
May	78%	5%	<1%	2%	20.3–24.8°C
June	93%	3%	<1%	<1%	22.2–27.2°C
July	99%	1%	<1%	<1%	25.4–29.1°C
August	99%	1%	<1%	<1%	26.3–30.2°C
September	97%	3%	<1%	<1%	25.8–29.8°C
October	92%	5%	2%	2%	23.7–27.8°C
November	71%	11%	4%	10%	20.3–24.5°C
December	45%	16%	5%	19%	18.0–21.9°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.

1963Each stripe is one year’s mean temperature against the 51-year average. Warmest: 1992. Coolest: 1975.2025

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 5330008
NOAA station: USC00049378 · VISTA
Station distance: 6 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 28 usable years
Daylight: Calculated from latitude 33.29°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature: NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 23 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 VISTA is what differs

Vista→Hidden Meadows→Buena→Gold Star Mobile Home→Lawrence Welk Resort Village→Lilac→

Or put two places side by side: Bonsall vs Vista

Best time to visitBonsall.