Lancaster weather by month

Check out Lancaster weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Lancaster (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	3	5	11	17	23	28	30	29	25	19	12	5
Min temperature (night-time)	-7	-6	-1	4	9	15	18	17	12	6	1	-4
Heat & Humidity	0	0	0	0	0	L	M	M	0	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Lancaster

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	5	6	7	8	8	9	10	9	7	6	5	4
Daily hours of daylight	10	11	12	13	14	15	15	14	12	11	10	9
UV Index (Maximum)	2	3	4	6	8	9	9	8	6	4	2	2

Rainfall in Lancaster

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	10	10	11	11	12	11	10	10	8	8	10	11
Average monthly rainfall (mm)	78	72	92	93	101	99	101	95	97	75	93	89

More about Lancaster

Lancaster by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Pennsylvania (Lancaster) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Lancaster?

Lancaster has a cold climate with hot summers and some rainfall in all months.

Lancaster weather in January

Expect daytime maximum temperatures of 3°C in Lancaster, Pennsylvania in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 78 mm of rainfall in the month, which might fall as snow.

3
3°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
-7
-7°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
78
78 mm of monthly rainfall
2
2 (Low) UV index

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Lancaster weather in February

Expect daytime maximum temperatures of 5°C in Lancaster, Pennsylvania in February based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 72 mm of rainfall in the month, which might fall as snow.

5
5°C max day temperature
6
6 hours of sunshine per day
10
10 days with some rainfall
-6
-6°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
72
72 mm of monthly rainfall
3
3 (Moderate) UV index

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Lancaster weather in March

Expect daytime maximum temperatures of 11°C in Lancaster, Pennsylvania in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 92 mm of rainfall in the month.

11
11°C max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
-1
-1°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
92
92 mm of monthly rainfall
4
4 (Moderate) UV index

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Lancaster weather in April

Expect daytime maximum temperatures of 17°C in Lancaster, Pennsylvania in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 93 mm of rainfall in the month.

17
17°C max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
4
4°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
93
93 mm of monthly rainfall
6
6 (High) UV index

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Lancaster weather in May

Expect daytime maximum temperatures of 23°C in Lancaster, Pennsylvania in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 101 mm of rainfall in the month.

23
23°C max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
9
9°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
101
101 mm of monthly rainfall
8
8 (Very High) UV index

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Lancaster weather in June

Expect daytime maximum temperatures of 28°C in Lancaster, Pennsylvania in June based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 99 mm of rainfall in the month.

28
28°C max day temperature
9
9 hours of sunshine per day
11
11 days with some rainfall
15
15°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
99
99 mm of monthly rainfall
9
9 (Very High) UV index

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Lancaster weather in July

Expect daytime maximum temperatures of 30°C in Lancaster, Pennsylvania in July based on long-term weather averages. There are 10 hours of sunshine per day on average with 10 days with some rainfall and typically 101 mm of rainfall in the month.

30
30°C max day temperature
10
10 hours of sunshine per day
10
10 days with some rainfall
18
18°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
101
101 mm of monthly rainfall
9
9 (Very High) UV index

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Lancaster weather in August

Expect daytime maximum temperatures of 29°C in Lancaster, Pennsylvania in August based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 95 mm of rainfall in the month.

29
29°C max day temperature
9
9 hours of sunshine per day
10
10 days with some rainfall
17
17°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
95
95 mm of monthly rainfall
8
8 (Very High) UV index

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Lancaster weather in September

Expect daytime maximum temperatures of 25°C in Lancaster, Pennsylvania in September based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 97 mm of rainfall in the month.

25
25°C max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
12
12°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
97
97 mm of monthly rainfall
6
6 (High) UV index

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Lancaster weather in October

Expect daytime maximum temperatures of 19°C in Lancaster, Pennsylvania in October based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 75 mm of rainfall in the month.

19
19°C max day temperature
6
6 hours of sunshine per day
8
8 days with some rainfall
6
6°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
75
75 mm of monthly rainfall
4
4 (Moderate) UV index

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Lancaster weather in November

Expect daytime maximum temperatures of 12°C in Lancaster, Pennsylvania in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 93 mm of rainfall in the month.

12
12°C max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
1
1°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
93
93 mm of monthly rainfall
2
2 (Low) UV index

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Lancaster weather in December

Expect daytime maximum temperatures of 5°C in Lancaster, Pennsylvania in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 89 mm of rainfall in the month, which might fall as snow.

5
5°C max day temperature
4
4 hours of sunshine per day
11
11 days with some rainfall
-4
-4°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
89
89 mm of monthly rainfall
2
2 (Low) UV index

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