Best time to visit Grand Junction

Q: When is the best time to visit Grand Junction?

The best time to visit Grand Junction is May, June, July, August and September based on the following average weather conditions. Daily hours of sunshine = 10 hours or more.

Q: Which is the hottest month in Grand Junction?

The hottest time of year in Grand Junction is normally July. Expect maximum daytime temperatures to reach 34°C with high heat and humidity.

Q: Which month has the most rain in Grand Junction?

In terms of rainfall, October is usually the wettest month in Grand Junction with 25mm on average. There are normally 5 days in October with some rain.

Q: When is it sunniest in Grand Junction?

The sunniest time of year in Grand Junction is normally June with bright sunshine on average for 81% of daylight hours; that's 12 hours of sunshine per day.

Find the best time to visit Grand Junction and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

Grand Junction by month

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

Recommended for Colorado

Avalon Waterways: Top deals on 2025 river cruises

Sale

Book early & save on 2025 river cruises with Avalon Waterways
Filter deals by promotion, month, destination & more
Travel between 1st Jan & 31st Dec 2025 (inclusive)

Go to Avalon Waterways deal >>

Expires at 23:59 on Wednesday 31st Dec 2025 · View all Avalon Waterways offers

When is the best time to visit Grand Junction?

The best time to visit Grand Junction is May, June, July, August and September based on the following average weather conditions.

Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

2.5
Jan
3
Feb
4
Mar
4.5
Apr
5
May
5
Jun
5
Jul
5
Aug
5
Sep
4
Oct
2.5
Nov
2.5
Dec

Change criteria

Hours of Sunshine (daily)

6
Jan
7
Feb
8
Mar
9
Apr
11
May
12
Jun
12
Jul
11
Aug
10
Sep
8
Oct
6
Nov
6
Dec

Which is the hottest month in Grand Junction?

The hottest time of year in Grand Junction is normally July. Expect maximum daytime temperatures to reach 34°C with high heat and humidity.

Which month has the most rain in Grand Junction?

In terms of rainfall, October is usually the wettest month in Grand Junction with 25mm on average. There are normally 5 days in October with some rain.

When is it sunniest in Grand Junction?

The sunniest time of year in Grand Junction is normally June with bright sunshine on average for 81% of daylight hours; that's 12 hours of sunshine per day.