United States · 1991–2020

Best time to visit
Parker.

April leads for comfortable weather in Parker: typically 23.9°C by day, 11.4°C at night, with 90 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortApril

Typical high23.9°C

Typical low11.4°C

Rain in April90 mm

Comfort

April

April · October · May

83climate match

Beach

July

July · August · June

76climate match

Outdoors

November

November · March · April

82climate match

The weakest month is January, scoring 30 against April’s 83 — days reach only 13.1°C, 11° below the 24°C the score treats as ideal, and nights drop to 0.4°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

3013.1° / 0.4°

Feb

4415.8° / 2.9°

Mar

5919.3° / 7°

Apr

8323.9° / 11.4°

May

7027.9° / 16.6°

Jun

4832.4° / 20.8°

Jul

4934.6° / 22.5°

Aug

4735.1° / 22.1°

Sep

6031.4° / 18.2°

Oct

7526.3° / 12°

Nov

6219.7° / 6.9°

Dec

3514.4° / 1.9°

Monthly climate evidence for Parker — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	13.1°C	0.4°C	68 mm	6.1	10 h 11	30	Strong coverage
February	15.8°C	2.9°C	69 mm	5.7	10 h 57	44	Strong coverage
March	19.3°C	7°C	90 mm	7	11 h 53	59	Strong coverage
April	23.9°C	11.4°C	90 mm	5.9	12 h 57	83	Strong coverage
May	27.9°C	16.6°C	115 mm	7	13 h 51	70	Strong coverage
June	32.4°C	20.8°C	109 mm	6.6	14 h 19	48	Strong coverage
July	34.6°C	22.5°C	47 mm	4.1	14 h 08	49	Strong coverage
August	35.1°C	22.1°C	55 mm	4.5	13 h 22	47	Strong coverage
September	31.4°C	18.2°C	90 mm	5.7	12 h 20	60	Strong coverage
October	26.3°C	12°C	103 mm	5.6	11 h 18	75	Good coverage
November	19.7°C	6.9°C	88 mm	5.3	10 h 25	62	Good coverage
December	14.4°C	1.9°C	87 mm	5.8	9 h 59	35	Good coverage

Records at LAVON DAM, 1953–2019
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	28.9°C10 Jan 1957	-16.1°C14 Jan 1964	92 mm25 Jan 2012	164 mm2012 · driest 3 mm in 2014	64
February	35.6°C22 Feb 1996	-13.9°C4 Feb 1996	88 mm1 Feb 1983	220 mm1997 · driest 4 mm in 1963	66
March	35.0°C28 Mar 1956	-11.1°C6 Mar 1989	122 mm19 Mar 2008	199 mm2008 · driest 1 mm in 2011	64
April	36.1°C19 Apr 2006	-2.2°C11 Apr 1989	142 mm5 Apr 1986	393 mm1966 · driest 8 mm in 1987	64
May	37.2°C31 May 2003	2.8°C4 May 2013	154 mm13 May 1982	324 mm1982 · driest 1 mm in 2017	63
June	43.9°C5 Jun 1998	9.4°C16 Jun 1989	102 mm4 Jun 1990	371 mm2000 · driest 14 mm in 1971	62
July	42.8°C17 Jul 1998	14.4°C26 Jul 2007	79 mm4 Jul 1981	291 mm1959 · driest 0 mm in 1993	65
August	42.2°C12 Aug 1964	8.9°C27 Aug 2015	85 mm23 Aug 1970	176 mm2017 · driest 0 mm in 2000	66
September	43.9°C5 Sep 2000	2.2°C25 Sep 2000	199 mm6 Sep 1967	296 mm1964 · driest 0 mm in 1956	65
October	37.8°C1 Oct 2007	-3.3°C31 Oct 1993	173 mm24 Oct 2015	316 mm1981 · driest 1 mm in 1963	62
November	31.1°C15 Nov 1989	-10.0°C29 Nov 1976	101 mm8 Nov 2016	349 mm2015 · driest 1 mm in 2012	62
December	30.6°C25 Dec 1955	-19.4°C23 Dec 1989	102 mm4 Dec 1998	218 mm1991 · driest 7 mm in 1975	63

Typical days per month at LAVON DAM, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	<1	0	13	2
February	2	<1	7	2
March	6	<1	3	3
April	14	2	<1	3
May	24	10	0	4
June	28	24	0	3
July	30	28	0	1
August	29	28	0	2
September	26	20	0	2
October	18	7	<1	3
November	5	<1	3	3
December	1	0	11	3

How often, not how much — every day in LAVON DAM’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	14%	18%	7%	16%	9.2–15.7°C
February	24%	20%	7%	19%	11.4–18.8°C
March	42%	21%	8%	19%	15.8–21.7°C
April	65%	21%	10%	19%	21.7–25.9°C
May	74%	24%	13%	24%	25.8–29.9°C
June	78%	21%	10%	19%	30.5–33.9°C
July	86%	14%	5%	11%	32.7–36.9°C
August	86%	14%	5%	12%	32.9–37.7°C
September	80%	19%	8%	16%	29.2–33.3°C
October	74%	18%	9%	17%	23.5–27.8°C
November	42%	18%	8%	16%	15.6–22.1°C
December	17%	17%	8%	16%	12.0–16.2°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.

1954Each stripe is one year’s mean temperature against the 45-year average. Warmest: 2006. Coolest: 1989.2014

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 4717624
NOAA station: USC00415094 · LAVON DAM
Station distance: 12.9 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 24 usable years
Daylight: Calculated from latitude 33.06°, 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 LAVON DAM is what differs

Rowlett→Wylie→Rockwall→Sachse→Murphy→Royse City→

Or put two places side by side: Parker vs Rowlett

Best time to visitParker.