City in Idaho, United States
Boise
Idaho's capital, in a mild valley with the Bogus Basin ski area in the hills above town.
Boise snow forecast
Out of season.
Forecasts for Boise pause outside the snow season and start again in October. The snow record below shows when it usually snows here.
Where is Boise?
- State
- Idaho
- Country
- United States
- Elevation
- 832 m
- Population
- 235,684
When does it snow in Boise?
In Boise, snow falls on about 5 days in December in a typical year, the snowiest month. Snow is regular from December to March.
| January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 days | 4 days | 3 days | <1 days | <1 days | 0 days | 0 days | 0 days | 0 days | 0 days | 2 days | 5 days |
Average days each month with at least 1 cm of snowfall, 2016–2025. Calculated from ERA5 reanalysis data.
Snow in Boise month by month
Averages for 2016 to 2025, from ERA5 reanalysis data.
| Month | Snow days | Share of the year's snow | Low to high |
|---|---|---|---|
| January | 5 | 28% | −3 to 4 °C (27 to 39 °F) |
| February | 4 | 25% | −2 to 7 °C (28 to 45 °F) |
| March | 3 | 11% | 1 to 13 °C (34 to 55 °F) |
| April | <1 | 4% | 4 to 18 °C (39 to 64 °F) |
| May | <1 | 0% | 9 to 23 °C (48 to 73 °F) |
| June | 0 | 0% | 14 to 29 °C (57 to 84 °F) |
| July | 0 | 0% | 19 to 35 °C (66 to 95 °F) |
| August | 0 | 0% | 18 to 34 °C (64 to 93 °F) |
| September | 0 | 0% | 13 to 28 °C (55 to 82 °F) |
| October | 0 | 0% | 6 to 18 °C (43 to 64 °F) |
| November | 2 | 7% | 1 to 10 °C (34 to 50 °F) |
| December | 5 | 26% | −3 to 4 °C (27 to 39 °F) |
Snow in Boise in December
In December, Boise gets snow on about 5 days, and the month brings about 26% of the year's snowfall. Daily temperatures usually run from −3 to 4 °C (27 to 39 °F).
Snow in Boise in January
In January, Boise gets snow on about 5 days, and the month brings about 28% of the year's snowfall. Daily temperatures usually run from −3 to 4 °C (27 to 39 °F).
Snow in Boise in February
In February, Boise gets snow on about 4 days, and the month brings about 25% of the year's snowfall. Daily temperatures usually run from −2 to 7 °C (28 to 45 °F).
Snow in Boise in March
In March, Boise gets snow on about 3 days, and the month brings about 11% of the year's snowfall. Daily temperatures usually run from 1 to 13 °C (34 to 55 °F).
Which winters were snowiest in Boise?
Of the last ten winters in Boise, 2023/24 was the snowiest, about 75% above the ten-year average. The leanest was 2025/26, about 73% below average. The biggest single day of snowfall in the record was 13 February 2021.
| Winter | Compared with average | |
|---|---|---|
| 2016/17 | 129% of average | |
| 2017/18 | 62% of average | |
| 2018/19 | 87% of average | |
| 2019/20 | 68% of average | |
| 2020/21 | 100% of average | |
| 2021/22 | 110% of average | |
| 2022/23 | 165% of average | |
| 2023/24 | 175% of average | |
| 2024/25 | 77% of average | |
| 2025/26 | 27% of average |
Winters are compared with each other rather than given in centimetres. The ERA5 record is reliable on which winters were big and which were lean, but it underestimates absolute snowfall in the mountains, so the resort's own measured totals are the ones to trust for amounts.
Questions about snow in Boise
Does Boise have snow at Christmas?
Boise had at least 2.5 cm (1 in) of snow on the ground on Christmas Day in 6 of the 10 years from 2016 to 2025. Fresh snow fell during 20 to 26 December in 7 of those years.
Does Boise have snow at New Year?
Boise had at least 2.5 cm (1 in) of snow on the ground on New Year's Day in 8 of the 10 years from 2016 to 2025. Fresh snow fell during 27 December to 2 January in 4 of those years.
Does Boise have snow in mid-February?
Boise had at least 2.5 cm (1 in) of snow on the ground on 15 February in 4 of the 10 years from 2016 to 2025. Fresh snow fell during 10 to 20 February in 6 of those years.
Does Boise have snow at Easter?
Boise had at least 2.5 cm (1 in) of snow on the ground on Easter Sunday in none of the 10 years from 2016 to 2025. Fresh snow fell during Good Friday to Easter Monday in none of those years.
How many days a year does it snow in Boise?
It snows on about 18 days a year in Boise, counting days with at least 1 cm of snowfall, averaged over 2016 to 2025. December has the most, about 5 days.
What is the snowiest month in Boise?
January is the snowiest month in Boise, bringing about 28% of the year's snowfall, based on ERA5 reanalysis data for 2016 to 2025. December has the most snowy days, about 5.
Which recent winter was the snowiest in Boise?
Of the last ten winters in Boise, 2023/24 was the snowiest, about 75% above the ten-year average. The leanest was 2025/26, about 73% below average.
How cold does Boise get in winter?
January is the coldest month in Boise, with average daily lows of −3 °C (27 °F) and highs of 4 °C (39 °F).
Snow forecasts near Boise
Nearest ski resorts to Boise
Sources: Boise on Wikidata, Elevation from the Open-Meteo terrain model at the city centre coordinates