United States · 1991–2020

Best time to visit
Tracy.

April leads for comfortable weather in Tracy: typically 23.1°C by day, 7.5°C at night, with 22 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortApril

Typical high23.1°C

Typical low7.5°C

Rain in April22 mm

Comfort

April

April · May · October

83climate match

Beach

June

June · September · July

71climate match

Outdoors

March

March · November · April

90climate match

The weakest month is January, scoring 36 against April’s 83 — days reach only 13.9°C, 10° below the 24°C the score treats as ideal, and nights drop to 2.6°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

3613.9° / 2.6°

Feb

5117° / 4.1°

Mar

6820.1° / 5.8°

Apr

8323.1° / 7.5°

May

8227.2° / 10.5°

Jun

7231.3° / 13°

Jul

6633.9° / 14.2°

Aug

6733.3° / 13.5°

Sep

7131.3° / 12.1°

Oct

8226.2° / 9°

Nov

6819.6° / 5.2°

Dec

4114.2° / 2.4°

Monthly climate evidence for Tracy — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	13.9°C	2.6°C	64 mm	7.7	9 h 49	36	Strong coverage
February	17°C	4.1°C	54 mm	6.7	10 h 44	51	Strong coverage
March	20.1°C	5.8°C	35 mm	5.5	11 h 50	68	Strong coverage
April	23.1°C	7.5°C	22 mm	3.6	13 h 07	83	Strong coverage
May	27.2°C	10.5°C	14 mm	1.8	14 h 11	82	Strong coverage
June	31.3°C	13°C	2 mm	0.4	14 h 45	72	Strong coverage
July	33.9°C	14.2°C	0 mm	0	14 h 32	66	Strong coverage
August	33.3°C	13.5°C	0 mm	0.1	13 h 37	67	Strong coverage
September	31.3°C	12.1°C	2 mm	0.4	12 h 23	71	Strong coverage
October	26.2°C	9°C	14 mm	1.9	11 h 09	82	Strong coverage
November	19.6°C	5.2°C	22 mm	3	10 h 05	68	Strong coverage
December	14.2°C	2.4°C	47 mm	5.6	9 h 34	41	Good coverage

What has changed

Tracy runs +1.1°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

+3.1

Feb

+1.7

Mar

+1.1

Apr

+1.1

May

+0.1

Jun

+0.8

Jul

+0.1

Aug

+0.3

Sep

+0.9

Oct

+0.8

Nov

+1.6

Dec

+1.9

April daytime highs, 2011–2025. Last recorded: 23.3°C.

Records at TRACY CARBONA, 1949–2026
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	23.3°C31 Jan 1976	-7.8°C2 Jan 1961	57 mm31 Jan 1968	151 mm2023 · driest 0 mm in 2015	73
February	27.2°C19 Feb 1977	-7.8°C15 Feb 2009	46 mm3 Feb 1998	127 mm1962 · driest 0 mm in 2020	76
March	33.3°C24 Mar 2026	-4.4°C1 Mar 2021	42 mm10 Mar 1955	149 mm1983 · driest 0 mm in 1972	76
April	35.0°C28 Apr 2004	-1.7°C5 Apr 2009	36 mm10 Apr 2016	66 mm2006 · driest 0 mm in 1962	74
May	40.6°C29 May 1984	1.1°C4 May 1952	57 mm28 May 1990	75 mm1990 · driest 0 mm in 2025	75
June	44.4°C16 Jun 1961	1.1°C10 Jun 2021	17 mm4 Jun 2009	53 mm2011 · driest 0 mm in 2017	76
July	43.9°C4 Jul 1991	1.7°C3 Jul 1995	7 mm9 Jul 1974	12 mm1980 · driest 0 mm in 1958	74
August	42.8°C11 Aug 1971	5.0°C4 Aug 1982	63 mm22 Aug 1968	63 mm1968 · driest 0 mm in 2025	76
September	44.4°C7 Sep 2022	2.8°C29 Sep 2021	48 mm19 Sep 1959	59 mm1959 · driest 0 mm in 1950	75
October	39.4°C3 Oct 2024	-1.7°C26 Oct 1995	52 mm25 Oct 2021	67 mm2021 · driest 0 mm in 1952	76
November	29.4°C2 Nov 1949	-4.4°C28 Nov 1952	48 mm29 Nov 1970	105 mm1970 · driest 0 mm in 1959	75
December	22.8°C1 Dec 1995	-8.3°C24 Dec 1998	59 mm12 Dec 2014	157 mm2014 · driest 2 mm in 1999	70

Typical days per month at TRACY CARBONA, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	0	0	5	2
February	<1	0	2	2
March	3	0	<1	<1
April	10	2	<1	<1
May	20	9	0	<1
June	26	18	0	<1
July	30	27	0	0
August	29	26	0	0
September	27	19	0	0
October	18	5	<1	<1
November	2	0	1	<1
December	0	0	7	1

The best month has moved. On the 1961–1990 numbers the strongest month here was October (scoring 84); on 2011–2025 it is April (86). Both are scored the same way, from the same station — only the climate underneath changed.

How often, not how much — every day in TRACY CARBONA’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	2%	24%	6%	28%	10.6–15.2°C
February	17%	23%	5%	24%	14.6–18.8°C
March	44%	19%	3%	17%	16.8–22.2°C
April	71%	12%	2%	8%	20.3–25.7°C
May	91%	5%	1%	3%	24.5–29.0°C
June	98%	2%	<1%	0%	28.7–33.5°C
July	100%	<1%	0%	0%	32.6–36.5°C
August	99%	<1%	<1%	<1%	31.9–35.1°C
September	98%	2%	<1%	<1%	29.2–32.8°C
October	90%	6%	1%	4%	24.0–28.2°C
November	39%	12%	3%	12%	16.1–20.8°C
December	2%	20%	5%	19%	10.9–15.1°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.

1950Each stripe is one year’s mean temperature against the 51-year average. Warmest: 2014. Coolest: 1998.2025

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 5403191
NOAA station: USC00048999 · TRACY CARBONA
Station distance: 9.5 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 17 usable years
Daylight: Calculated from latitude 37.74°, mid-month, sunrise to sunset including refraction. Not a station measurement.
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 TRACY CARBONA is what differs

Grayson→Westley→Banta→Carbona→Cochrane→Ellis (historical)→

Or put two places side by side: Tracy vs Grayson

Best time to visitTracy.