Grand Junction in May
7.9out of 10
Yes, a good time to go
Mild: highs around 22°C. Frequent rain: about 9 rainy days.
22°CAvg high
7°CAvg low
9Rainy days (47 mm)
14:08 hDaylight
06:06Sunrise · 20:15 Sunset
Why this score
- Mild: highs around 22°C
- Frequent rain: about 9 rainy days
- Rain varies a lot between years (±4.8 days)
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±4.8 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 1°C | -10°C | 38 mm | 7 | – | – | 4.1 |
| February | 4°C | -7°C | 44 mm | 9 | – | – | 4.5 |
| March | 11°C | -3°C | 52 mm | 9 | – | – | 5.7 |
| April | 16°C | 1°C | 51 mm | 10 | – | – | 6.7 |
| May | 22°C | 7°C | 47 mm | 9 | – | – | 7.9 |
| June | 29°C | 12°C | 26 mm | 5 | – | – | 8.4 |
| July | 31°C | 15°C | 55 mm | 9 | – | – | 7.4 |
| August | 29°C | 14°C | 81 mm | 12 | – | – | 7.4 |
| September | 24°C | 10°C | 68 mm | 9 | – | – | 7.8 |
| October | 17°C | 3°C | 51 mm | 8 | – | – | 7.2 |
| November | 9°C | -3°C | 42 mm | 7 | – | – | 5.6 |
| December | 2°C | -9°C | 37 mm | 7 | – | – | 4.2 |
Frequently asked questions
How hot is Grand Junction in May?
Daytime highs average 22°C and nights about 7°C.
When is the best time to visit Grand Junction?
The best months are June, May.