United States · 1991–2020

Best time to visit
Trexlertown.

June leads for comfortable weather in Trexlertown: typically 26.8°C by day, 14°C at night, with 110 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortJune

Typical high26.8°C

Typical low14°C

Rain in June110 mm

Comfort

June

June · September · August

73climate match

Beach

August

August · July · June

66climate match

Outdoors

May

May · October · April

73climate match

The weakest month is January, scoring 5 against June’s 73 — days reach only 3.3°C, 21° below the 24°C the score treats as ideal.

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

53.3° / -6.6°

Feb

54.9° / -5.6°

Mar

1110° / -1.8°

Apr

4317° / 3.6°

May

6822.2° / 8.7°

Jun

7326.8° / 14°

Jul

6329.3° / 16.2°

Aug

7128.5° / 15.3°

Sep

7324.7° / 11.2°

Oct

4618° / 4.6°

Nov

2211.9° / 0.2°

Dec

55.5° / -4.4°

Monthly climate evidence for Trexlertown — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	3.3°C	-6.6°C	86 mm	7	9 h 34	5	Good coverage
February	4.9°C	-5.6°C	56 mm	5.5	10 h 35	5	Good coverage
March	10°C	-1.8°C	96 mm	7.1	11 h 49	11	Good coverage
April	17°C	3.6°C	97 mm	8.5	13 h 14	43	Good coverage
May	22.2°C	8.7°C	95 mm	9.4	14 h 25	68	Good coverage
June	26.8°C	14°C	110 mm	8.8	15 h 03	73	Good coverage
July	29.3°C	16.2°C	120 mm	8.8	14 h 48	63	Good coverage
August	28.5°C	15.3°C	101 mm	7.5	13 h 47	71	Good coverage
September	24.7°C	11.2°C	133 mm	7.7	12 h 25	73	Good coverage
October	18°C	4.6°C	117 mm	7.6	11 h 03	46	Good coverage
November	11.9°C	0.2°C	93 mm	6.9	9 h 52	22	Good coverage
December	5.5°C	-4.4°C	93 mm	7.1	9 h 17	5	Good coverage

Records at RODALE RSCH CTR, 1983–2013
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	20.0°C7 Jan 2007	-25.6°C22 Jan 1984	51 mm23 Jan 1998	195 mm1996 · driest 30 mm in 1989	27
February	23.3°C24 Feb 1985	-22.8°C5 Feb 1996	68 mm13 Feb 2008	194 mm2008 · driest 0 mm in 1993	29
March	30.0°C31 Mar 1998	-19.4°C8 Mar 1989	68 mm22 Mar 2000	170 mm2000 · driest 19 mm in 2006	30
April	32.8°C26 Apr 1990	-7.8°C13 Apr 1990	71 mm3 Apr 2005	162 mm2005 · driest 22 mm in 1985	29
May	35.0°C20 May 1996	-3.9°C4 May 1986	68 mm29 May 1984	246 mm1989 · driest 12 mm in 1993	29
June	35.0°C8 Jun 2011	-1.7°C5 Jun 1988	57 mm1 Jun 2007	229 mm2003 · driest 30 mm in 1988	28
July	39.4°C22 Jul 2011	5.0°C17 Jul 1987	77 mm22 Jul 2003	252 mm1984 · driest 13 mm in 2002	28
August	36.7°C3 Aug 2002	3.3°C21 Aug 1984	90 mm22 Aug 1994	276 mm2009 · driest 28 mm in 1989	27
September	37.8°C1 Sep 2010	-3.3°C17 Sep 1986	143 mm27 Sep 1985	322 mm1999 · driest 20 mm in 2007	26
October	30.6°C9 Oct 2007	-8.3°C31 Oct 1988	170 mm8 Oct 2005	321 mm2005 · driest 21 mm in 1994	29
November	25.6°C8 Nov 2011	-12.8°C24 Nov 1989	74 mm9 Nov 1996	166 mm1985 · driest 25 mm in 2012	29
December	23.3°C29 Dec 1984	-21.7°C23 Dec 1989	91 mm13 Dec 1983	234 mm1983 · driest 0 mm in 1989	27

Typical days per month at RODALE RSCH CTR, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)	Snow days
January	0	0	26	3	<1
February	0	0	23	2	<1
March	<1	<1	20	3	<1
April	3	<1	7	3	0
May	9	3	1	3	0
June	20	7	0	4	0
July	26	13	0	4	0
August	27	10	0	4	0
September	14	3	<1	3	0
October	3	<1	6	4	0
November	<1	0	15	3	0
December	0	0	25	3	<1

How often, not how much — every day in RODALE RSCH CTR’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	<1%	23%	9%	20%	-0.3–6.6°C
February	<1%	20%	8%	14%	1.7–8.1°C
March	8%	22%	10%	25%	7.5–13.0°C
April	25%	29%	11%	35%	15.4–18.9°C
May	47%	32%	12%	39%	19.9–24.7°C
June	69%	30%	12%	33%	25.4–28.4°C
July	71%	29%	13%	32%	27.3–31.4°C
August	77%	24%	12%	25%	26.9–30.0°C
September	69%	25%	12%	29%	23.2–26.6°C
October	33%	24%	11%	24%	16.2–20.7°C
November	6%	25%	11%	24%	9.2–14.6°C
December	<1%	23%	11%	21%	2.0–9.1°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.

1985Each stripe is one year’s mean temperature against the 21-year average. Warmest: 1999. Coolest: 1989.2011

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 5216013
NOAA station: USC00367578 · RODALE RSCH CTR
Station distance: 9.8 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 19 usable years
Daylight: Calculated from latitude 40.55°, 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 RODALE RSCH CTR is what differs

Ancient Oaks→Red Lion→Kutztown→Breinigsville→Macungie→Alburtis→

Or put two places side by side: Trexlertown vs Ancient Oaks

Best time to visitTrexlertown.

June

August

May

The whole year,without the guesswork.

Nearby, measured,and named.

Best time to visit
Trexlertown.

The whole year,
without the guesswork.

Nearby, measured,
and named.