Grand Island weather in August 2025

Q: How hot is it in Grand Island in August?

Daytime temperatures usually reach 30°C in Grand Island in August with moderate heat and humidity, falling to 16°C at night.

Q: How sunny is it in Grand Island in August?

There are normally 10 hours of bright sunshine each day in Grand Island in August - that's 74% of daylight hours.

Q: Does it rain in Grand Island in August?

There are usually 8 days with some rain in Grand Island in August and the average monthly rainfall is 74mm.

Expect daytime maximum temperatures of 86°F in Grand Island, Nebraska in August based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 2.9 inches of rainfall in the month.

86
86°F max day temperature
10
10 hours of sunshine per day
8
8 days with some rainfall
61
61°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
2.9
2.9 inches of monthly rainfall
8
8 (Very High) UV index

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The August weather guide for Nebraska (Grand Island) shows long term 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.

Metric (°C) | Imperial (°F)

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How hot is it in Grand Island in August?

Daytime temperatures usually reach 86°F in Grand Island in August with moderate heat and humidity, falling to 61°F at night.

How sunny is it in Grand Island in August?

There are normally 10 hours of bright sunshine each day in Grand Island in August - that's 74% of daylight hours.

Does it rain in Grand Island in August?

There are usually 8 days with some rain in Grand Island in August and the average monthly rainfall is 2.9 inches.

Grand Island August sunrise & sunset times

Browse the sunrise and sunset times for Grand Island in August 2025. Select a month to view Grand Island sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Friday, 1st August 2025	05:30	19:49
Saturday, 16th August 2025	05:45	19:30
Sunday, 31st August 2025	06:00	19:07

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Nebraska - quick facts
Flight time^✝	12 hours
Time difference	UK -6 to -7 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Tourist info	Nebraska Tourism Commission