Weather in Maryland

Calculated from weather data of Martindiana State Airport (KMTN) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	44.0	43.0	49.0	40.0	43.0	46.0
February	48.0	49.0	50.0	49.0	41.0	47.0
March	55.0	58.0	54.0	57.0	58.0	58.0
April	65.0	65.0	68.0	63.0	65.0	60.0
May	71.0		72.0	73.0	73.0	53.0
June	83.0		79.0	82.0	82.0	82.0
July	87.0		86.0	86.0	86.0	90.0
August	85.0		84.0	86.0	85.0	84.0
September	79.0		78.0	79.0	79.0	76.0
October	68.0		68.0	64.0	71.0	66.0
November	55.0		55.0	58.0	54.0	60.0
December	47.0		50.0	46.0	52.0	46.0
Average	64.0	54.0	66.0	66.0	66.0	64.0

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	31.0	31	35	26	31	36
February	33.0	33	34	30	31	35
March	38.0	40	37	37	39	43
April	48.0	49	48	45	47	47
May	55.0		51	57	55	44
June	66.0		60	64	68	68
July	72.0		69	72	72	73
August	70.0		68	70	70	71
September	63.0		60	63	61	62
October	53.0		51	48	57	53
November	39.0		36	41	37	45
December	34.0		36	34	37	34
Average	49.0	38.0	49.0	49.0	51.0	51.0

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
86 °F or warmer	0	27	37	37	43
77 °F or warmer	3	111	118	116	100
68 °F or warmer	15	168	163	180	147
32 °F or colder	26	30	57	45	28

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	9.4	14	10	10	8	5
February	11.2	5	6	12	20	14
March	9.6	13	8	8	9	10
April	7.0	10	9	7	5	8
May	8.6		4	12	6	6
June	4.4		7	5	3	2
July	4.4		3	4	2	5
August	4.2		1	2	4	11
September	6.3		9	5	4	3
October	7.3		5	11	5	12
November	7.0		6	9	4	7
December	9.5		9	14	2	9
Average	7.6	10.6	6.1	7.6	5.9	7.3

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (miles per hour)

Month	Average	2024	2023	2022	2021	2020
January	8.2	8	7	7	8	8
February	7.7	7	8	9	7	8
March	9.4	9	10	9	9	7
April	9.1	8	8	9	9	11
May	6.8		5	7	8	8
June	7.1		7	7	8	7
July	6.2		5	6	7	6
August	5.8		7	6	5	5
September	6.1		6	6	7	5
October	6.6		7	5	8	5
November	7.7		6	8	7	9
December	6.4		6	7	4	8
Average	7.4	7.8	6.7	7.0	7.4	7.1

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	W	W	W	W	W
February	W	W	W	W	W
March	W	W	SW	W	SE
April	S	S	W	W	W
May		SE	E	W	S
June		SE	S	SE	SW
July		SE	S	S	SE
August		SW	S	SE	SE
September		N	W	S	SE
October		W	SW	W	W
November		W	W	W	W
December		W	W	SW	W

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Maryland weather Q&A

What is the warmest month in Maryland?

The warmest month is July with an average temperature of 87 °F over the past years.

What is the coldest month in Maryland?

The coldest month is January with an average daytime temperature of 44 °F in the past few years.

Which month is the wettest in Maryland?

Chance of precipitation is the highest in February with a probability of around 11.3 %.

Which month is the driest in Maryland?

The least rainfall and snow can be expected in August. The probability is about 4.3 %.