United States · 1991–2020

Best time to visit
Mardela Springs.

May leads for comfortable weather in Mardela Springs: typically 25.1°C by day, 12.1°C at night, with 82 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortMay

Typical high25.1°C

Typical low12.1°C

Rain in May82 mm

Comfort

May

May · September · October

80climate match

Beach

July

July · August · June

74climate match

Outdoors

October

October · April · May

81climate match

The weakest month is January, scoring 8 against May’s 80 — days reach only 8.9°C, 15° below the 24°C the score treats as ideal, and nights drop to -2.1°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

88.9° / -2.1°

Feb

159.8° / -2°

Mar

3114.6° / 1.8°

Apr

6020.3° / 6.8°

May

8025.1° / 12.1°

Jun

6129.7° / 17.4°

Jul

5232.1° / 20.2°

Aug

5631.2° / 19.1°

Sep

7727.5° / 15.3°

Oct

7321.9° / 9°

Nov

4415.9° / 3.9°

Dec

1710.8° / -0.6°

Monthly climate evidence for Mardela Springs — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	8.9°C	-2.1°C	93 mm	7.1	9 h 45	8	Good coverage
February	9.8°C	-2°C	68 mm	6.1	10 h 42	15	Good coverage
March	14.6°C	1.8°C	105 mm	7.6	11 h 50	31	Good coverage
April	20.3°C	6.8°C	93 mm	8.2	13 h 09	60	Good coverage
May	25.1°C	12.1°C	82 mm	8.1	14 h 14	80	Good coverage
June	29.7°C	17.4°C	116 mm	8.4	14 h 50	61	Good coverage
July	32.1°C	20.2°C	90 mm	7.3	14 h 36	52	Good coverage
August	31.2°C	19.1°C	100 mm	6.9	13 h 39	56	Good coverage
September	27.5°C	15.3°C	92 mm	6.4	12 h 23	77	Good coverage
October	21.9°C	9°C	75 mm	6.4	11 h 08	73	Good coverage
November	15.9°C	3.9°C	78 mm	6.4	10 h 02	44	Good coverage
December	10.8°C	-0.6°C	86 mm	7.7	9 h 30	17	Good coverage

Records at VIENNA, 1949–2010
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	26.7°C30 Jan 2002	-21.1°C28 Jan 1987	127 mm26 Jan 2004	196 mm1998 · driest 2 mm in 1981	60
February	27.2°C21 Feb 1991	-21.1°C6 Feb 1996	53 mm15 Feb 1984	208 mm2003 · driest 8 mm in 2002	61
March	30.6°C14 Mar 1990	-13.9°C4 Mar 2009	85 mm28 Mar 1994	247 mm1994 · driest 4 mm in 2006	60
April	35.0°C27 Apr 2009	-6.1°C8 Apr 2002	61 mm16 Apr 2007	218 mm2004 · driest 17 mm in 2003	59
May	37.2°C31 May 1991	0.0°C11 May 1966	140 mm30 May 1984	226 mm1984 · driest 8 mm in 1964	60
June	38.9°C29 Jun 1959	5.6°C3 Jun 1996	107 mm2 Jun 2006	330 mm2006 · driest 11 mm in 1988	59
July	40.0°C4 Jul 1997	8.9°C24 Jul 1985	140 mm13 Jul 1996	243 mm1969 · driest 10 mm in 1983	60
August	37.8°C10 Aug 2007	6.1°C30 Aug 1986	129 mm8 Aug 1959	363 mm1967 · driest 4 mm in 2002	60
September	36.7°C4 Sep 1966	0.0°C21 Sep 1956	165 mm10 Sep 1977	275 mm1977 · driest 13 mm in 1978	60
October	35.0°C6 Oct 2007	-4.4°C30 Oct 1990	79 mm26 Oct 1971	193 mm1971 · driest 2 mm in 2000	60
November	28.3°C2 Nov 2003	-10.0°C24 Nov 1989	74 mm13 Nov 1975	178 mm1963 · driest 6 mm in 2001	59
December	26.7°C8 Dec 1998	-19.4°C16 Dec 1958	85 mm25 Dec 1986	217 mm1969 · driest 8 mm in 1988	60

Typical days per month at VIENNA, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)
January	<1	0	19	3
February	<1	0	19	2
March	1	<1	12	3
April	6	<1	2	3
May	15	4	0	3
June	25	16	0	3
July	28	23	0	2
August	28	21	0	3
September	22	8	0	3
October	8	1	<1	2
November	<1	0	8	3
December	<1	0	17	3

How often, not how much — every day in VIENNA’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%	25%	10%	29%	4.7–11.1°C
February	2%	26%	10%	27%	5.7–11.8°C
March	12%	27%	12%	32%	11.4–16.0°C
April	38%	28%	11%	30%	17.8–22.2°C
May	67%	25%	10%	28%	23.0–26.5°C
June	76%	24%	10%	22%	27.8–31.0°C
July	75%	25%	9%	28%	30.0–33.1°C
August	76%	24%	12%	21%	29.3–32.2°C
September	79%	20%	9%	17%	25.7–28.8°C
October	53%	20%	8%	19%	19.7–23.6°C
November	17%	23%	10%	20%	13.4–17.9°C
December	3%	25%	10%	29%	6.4–12.8°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: 1998. Coolest: 1958.2008

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 4361657
NOAA station: USC00189140 · VIENNA
Station distance: 6.2 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 17 usable years
Daylight: Calculated from latitude 38.46°, 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 VIENNA is what differs

Hurlock→Sharptown→Secretary→Deal Island→East New Market→Chance→

Or put two places side by side: Mardela Springs vs Hurlock

Best time to visitMardela Springs.

May

July

October

The whole year,without the guesswork.

Nearby, measured,and named.

Best time to visit
Mardela Springs.

The whole year,
without the guesswork.

Nearby, measured,
and named.