Grand Island weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Grand Island (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	1	4	10	18	23	29	31	30	25	19	10	2
Min temperature (night-time)	-12	-9	-3	3	10	15	18	16	11	4	-3	-10
Heat & Humidity	0	0	0	0	0	M	H	M	0	0	0	0

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

Sunshine & UV index in Grand Island

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	6	7	8	9	10	11	12	10	9	8	6	6
Daily hours of daylight	10	11	12	13	15	15	15	14	12	11	10	9
UV Index (Maximum)	2	3	4	6	8	9	10	8	6	4	2	1

Rainfall in Grand Island

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	5	6	8	9	11	9	9	8	8	5	5	5
Average monthly rainfall (mm)	12	18	47	63	103	99	78	74	70	35	24	18

More about Grand Island

Grand Island by month

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

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The climate guide for Nebraska (Grand Island) 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 Grand Island?

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

Grand Island weather in January

Expect daytime maximum temperatures of 1°C in Grand Island, Nebraska in January based on long-term weather averages. There are 6 hours of sunshine per day on average, which might fall as snow.

1
1°C max day temperature
6
6 hours of sunshine per day
5
5 days with some rainfall
-12
-12°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
12
12 mm of monthly rainfall
2
2 (Low) UV index

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Grand Island weather in February

Expect daytime maximum temperatures of 4°C in Grand Island, Nebraska in February based on long-term weather averages. There are 7 hours of sunshine per day on average, which might fall as snow.

4
4°C max day temperature
7
7 hours of sunshine per day
6
6 days with some rainfall
-9
-9°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
18
18 mm of monthly rainfall
3
3 (Moderate) UV index

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Grand Island weather in March

Expect daytime maximum temperatures of 10°C in Grand Island, Nebraska in March based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 47 mm of rainfall in the month.

10
10°C max day temperature
8
8 hours of sunshine per day
8
8 days with some rainfall
-3
-3°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
47
47 mm of monthly rainfall
4
4 (Moderate) UV index

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Grand Island weather in April

Expect daytime maximum temperatures of 18°C in Grand Island, Nebraska in April based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 63 mm of rainfall in the month.

18
18°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
3
3°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
63
63 mm of monthly rainfall
6
6 (High) UV index

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Grand Island weather in May

Expect daytime maximum temperatures of 23°C in Grand Island, Nebraska in May based on long-term weather averages. There are 10 hours of sunshine per day on average with 11 days with some rainfall and typically 103 mm of rainfall in the month.

23
23°C max day temperature
10
10 hours of sunshine per day
11
11 days with some rainfall
10
10°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
103
103 mm of monthly rainfall
8
8 (Very High) UV index

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Grand Island weather in June

Expect daytime maximum temperatures of 29°C in Grand Island, Nebraska in June based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 99 mm of rainfall in the month.

29
29°C max day temperature
11
11 hours of sunshine per day
9
9 days with some rainfall
15
15°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
99
99 mm of monthly rainfall
9
9 (Very High) UV index

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Grand Island weather in July

Expect daytime maximum temperatures of 31°C in Grand Island, Nebraska in July and high heat and humidity based on long-term weather averages. There are 12 hours of sunshine per day on average with typically 78 mm of rainfall in the month.

31
31°C max day temperature
12
12 hours of sunshine per day
9
9 days with some rainfall
18
18°C min night temperature
15
15 hours of daylight per day
H
High heat & humidity
78
78 mm of monthly rainfall
10
10 (Very High) UV index

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Grand Island weather in August

Expect daytime maximum temperatures of 30°C in Grand Island, Nebraska in August based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 74 mm of rainfall in the month.

30
30°C max day temperature
10
10 hours of sunshine per day
8
8 days with some rainfall
16
16°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
74
74 mm of monthly rainfall
8
8 (Very High) UV index

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Grand Island weather in September

Expect daytime maximum temperatures of 25°C in Grand Island, Nebraska in September based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 70 mm of rainfall in the month.

25
25°C max day temperature
9
9 hours of sunshine per day
8
8 days with some rainfall
11
11°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
70
70 mm of monthly rainfall
6
6 (High) UV index

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Grand Island weather in October

Expect daytime maximum temperatures of 19°C in Grand Island, Nebraska in October based on long-term weather averages. There are 8 hours of sunshine per day on average.

19
19°C max day temperature
8
8 hours of sunshine per day
5
5 days with some rainfall
4
4°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
35
35 mm of monthly rainfall
4
4 (Moderate) UV index

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Grand Island weather in November

Expect daytime maximum temperatures of 10°C in Grand Island, Nebraska in November based on long-term weather averages. There are 6 hours of sunshine per day on average.

10
10°C max day temperature
6
6 hours of sunshine per day
5
5 days with some rainfall
-3
-3°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
24
24 mm of monthly rainfall
2
2 (Low) UV index

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Grand Island weather in December

Expect daytime maximum temperatures of 2°C in Grand Island, Nebraska in December based on long-term weather averages. There are 6 hours of sunshine per day on average, which might fall as snow.