Winter
Dec → Feb-3 to 0°
nights -17 to -14°
- 11 rainy days · 65 mm
When is the best time to visit Grand Teton and Jackson Hole?
- Jan-3°not recommended
- Feb0°not recommended
- Mar5°not recommended
- Apr10°not recommended
- May16°fair
- Jun22°recommended
- Jul28°recommended
- Aug27°recommended
- Sep22°recommended
- Oct13°fair
- Nov4°not recommended
- Dec-2°not recommended
RecommendedFairNot recommended· afternoon temperature
The weather in Grand Teton and Jackson Hole, month by month
The table of averages, month by month
| Month | High | Low | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|
| January | -3° | -17° | 67 mm | 11 d | |
| February | 0° | -14° | 56 mm | 10 d | |
| March | 5° | -10° | 46 mm | 8 d | |
| April | 10° | -5° | 46 mm | 8 d | |
| May | 16° | 0° | 51 mm | 8 d | |
| June | 22° | 4° | 46 mm | 8 d | ✓ |
| July | 28° | 7° | 29 mm | 6 d | ✓ |
| August | 27° | 5° | 31 mm | 6 d | ✓ |
| September | 22° | 1° | 40 mm | 6 d | ✓ |
| October | 13° | -4° | 43 mm | 7 d | |
| November | 4° | -9° | 59 mm | 8 d | |
| December | -2° | -15° | 71 mm | 11 d |
The four seasons in Grand Teton and Jackson Hole, in figures
What the 2015-2024 averages (Moose (Grand Teton)) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May5 to 16°
nights -10 to 0°
- 8 rainy days · 48 mm
Summer
Jun → Aug22 to 28°
nights 4 to 7°
- 7 rainy days · 35 mm
Autumn
Sep → Nov4 to 22°
nights -9 to 1°
- 7 rainy days · 47 mm
Book early for June to September
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
Some links are affiliate links: we may earn a commission, at no extra cost to you. The selection does not depend on these links.
Daylight in Grand Teton and Jackson Hole, month by month
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 15h25 of daylight, in December 8h57, a difference of 6h29.
9h16Jan
10h26Feb
11h48Mar
13h22Apr
14h42May
15h25Jun
15h07Jul
13h58Aug
12h26Sep
10h55Oct
9h36Nov
8h57Dec
Calculated for the latitude of the reference point "Moose (Grand Teton)" (43.65°). Values on the 15th of each month, local solar time.
What to do in Grand Teton and Jackson Hole, month by month
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hiking | ||||||||||||
| Towns & culture | ||||||||||||
| Long days |
favourablewith compromisesunfavourable
- Hiking: May, June, July, August, September, October
- Towns & culture: April, May, June, July, August, September, October
- Long days: May, June, July
Grid derived from the climate averages (temperature, rainfall), not from an opinion.
Travelling off-peak
Month by month, in detail
January
Not recommended-3°-17° at night
- 67 mm · 11 d
Low season, lower prices
February
Not recommended0°-14° at night
- 56 mm · 10 d
Low season, lower prices
March
Not recommended5°-10° at night
- 46 mm · 8 d
Low season, lower prices
April
Not recommended10°-5° at night
- 46 mm · 8 d
Low season, lower prices
May
Fair16°0° at night
- 51 mm · 8 d
Low season, lower prices
June
Recommended22°4° at night
- 46 mm · 8 d
Busy, without the crush
July
Recommended28°7° at night
- 29 mm · 6 d
High season, book early
August
Recommended27°5° at night
- 31 mm · 6 d
High season, book early
September
Recommended22°1° at night
- 40 mm · 6 d
Busy, without the crush
October
Fair13°-4° at night
- 43 mm · 7 d
Low season, lower prices
November
Not recommended4°-9° at night
- 59 mm · 8 d
Low season, lower prices
December
Not recommended-2°-15° at night
- 71 mm · 11 d
Quiet, then the holidays
Read the twelve months in detail
January. Deep winter: -3 °C at the warmest of the day, -17 °C at night. Expect 11 days of rain in the month (67 mm). Low season: fewer people, lower prices.
February. Deep winter: 0 °C at the warmest of the day, -14 °C at night. Expect 10 days of rain in the month (56 mm). Low season: fewer people, lower prices.
March. Deep winter: 5 °C at the warmest of the day, -10 °C at night. Expect 8 days of rain in the month (46 mm). Low season: fewer people, lower prices.
April. Cool: 10 °C at best, -5 °C at night. Expect 8 days of rain in the month (46 mm). Low season: fewer people, lower prices.
May. Cool: 16 °C at best, 0 °C at night. Expect 8 days of rain in the month (51 mm). Low season: fewer people, lower prices.
June. Mild, 22 °C in the afternoon and 4 °C early in the morning. Expect 8 days of rain in the month (46 mm). Busy season, without the crush.
July. 28 °C in the afternoon and 7 °C at night. Rain stays light: 29 mm over 6 days. High season: book early.
August. 27 °C in the afternoon and 5 °C at night. Rain stays light: 31 mm over 6 days. High season: book early.
September. Mild, 22 °C in the afternoon and 1 °C early in the morning. Rain stays light: 40 mm over 6 days. Busy season, without the crush.
October. Cool: 13 °C at best, -4 °C at night. Rain stays light: 43 mm over 7 days. Low season: fewer people, lower prices.
November. Deep winter: 4 °C at the warmest of the day, -9 °C at night. Expect 8 days of rain in the month (59 mm). Low season: fewer people, lower prices.
December. Deep winter: -2 °C at the warmest of the day, -15 °C at night. Expect 11 days of rain in the month (71 mm). Quiet at the start of the month, then busier as the holidays approach.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Grand Teton and Jackson Hole?
June to September: over these months, average highs range from 22 to 28 °C, with 7 days of rain a month on average (2015-2024 averages, Moose (Grand Teton)).
Which month should you avoid in Grand Teton and Jackson Hole?
December: it is the wettest of the months to avoid, with 71 mm over 11 days of rain on average over 2015-2024 at the reference point (Moose (Grand Teton)).
What is the hottest month in Grand Teton and Jackson Hole?
July, with 28 °C on average in the afternoon and 7 °C at night. 2015-2024 averages (Moose (Grand Teton)).
What is the coldest month in Grand Teton and Jackson Hole?
January, with -3 °C at best during the day and -17 °C at night. 2015-2024 averages (Moose (Grand Teton)).
What is the driest month in Grand Teton and Jackson Hole?
July: 29 mm over 6 days of rain, against 71 mm in December, the wettest month.
Does it get cold at night in Grand Teton and Jackson Hole?
The gap between day and night reaches 22 °C in August: 27 °C in the afternoon, 5 °C at dawn. Pack an extra layer, even in high season.
When is the best time to hike in Grand Teton and Jackson Hole?
May, June, July, August, September, October: highs between 12 and 29 °C and no more than 9 days of rain a month on 2015-2024 averages (Moose (Grand Teton)), the safest windows for walking.
Plan this trip
📒 The free printable Grand Teton and Jackson Hole guide: itinerary, map, where to sleep→
🧭 When to visit the American West: the country overview→
🗓️ Best time to visit: all our destinations→
Compare with other destinations
Photos: Marije Kouyzer / Pexels · Laura Rudi / Pexels · Grand Teton / Public domain (Wikimedia Commons) · Jrozwado / CC BY-SA 4.0 (Wikimedia Commons) · Hardy008 / CC BY-SA 4.0 (Wikimedia Commons)