Tizer Gardens, Montana climate: Climate normals at a NOAA weather station
Tizer Gardens's normal year runs from 10°F December nights to 81°F July afternoons, with 17.8 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 5.0°C, December lows of −12°C, July highs of 27°C, 453 mm of precipitation a year.
- NOAA stationTizer Gardens
- Station IDUSC00248239
- Location46.37°N 112.02°W
- Elevation4,672 ft (1,424 m)
On October 23, the normal high in Tizer Gardens is 52°F and the normal low 24°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Tizer Gardens.
- Jan 35° 10°
- Feb 36° 11°
- Mar 46° 18°
- Apr 54° 25°
- May 62° 33°
- Jun 71° 39°
- Jul 81° 44°
- Aug 82° 43°
- Sep 71° 35°
- Oct 56° 26°
- Nov 43° 19°
- Dec 33° 10°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Tizer Gardens each month?
July is the warmest month, with normal highs of 81°F; December the coldest, with normal lows of 10°F. The most precipitation falls in June (3.13 in), the least in January (0.80 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 35°F | 10°F | 22.9°F | 0.80 | – | <1 | 30 | 9 h |
| February | 36°F | 11°F | 23.7°F | 0.81 | – | <1 | 27 | 10 h 20 min |
| March | 46°F | 18°F | 31.8°F | 1.04 | – | <1 | 30 | 11 h 50 min |
| April | 54°F | 25°F | 39.4°F | 2.03 | – | <1 | 27 | 13 h 30 min |
| May | 62°F | 33°F | 47.4°F | 2.76 | – | <1 | 14 | 15 h |
| June | 71°F | 39°F | 54.7°F | 3.13 | – | 1 | 3 | 15 h 50 min |
| July | 81°F | 44°F | 62.9°F | 1.39 | – | 5 | 1 | 15 h 30 min |
| August | 82°F | 43°F | 62.2°F | 1.31 | – | 4 | 1 | 14 h 10 min |
| September | 71°F | 35°F | 53.1°F | 1.42 | – | 1 | 9 | 12 h 40 min |
| October | 56°F | 26°F | 41.2°F | 1.34 | – | <1 | 23 | 11 h |
| November | 43°F | 19°F | 30.8°F | 0.93 | – | <1 | 28 | 9 h 30 min |
| December | 33°F | 10°F | 21.9°F | 0.86 | – | <1 | 30 | 8 h 40 min |
| Year (annual) | 56°F | 26°F | 41.0°F | 17.82 | – | 11 | 223 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 2°C | −12°C | −5.1°C | 20 mm |
| February | 2°C | −12°C | −4.6°C | 21 mm |
| March | 8°C | −8°C | −0.1°C | 26 mm |
| April | 12°C | −4°C | 4.1°C | 52 mm |
| May | 17°C | 0°C | 8.6°C | 70 mm |
| June | 21°C | 4°C | 12.6°C | 80 mm |
| July | 27°C | 7°C | 17.2°C | 35 mm |
| August | 28°C | 6°C | 16.8°C | 33 mm |
| September | 22°C | 2°C | 11.7°C | 36 mm |
| October | 13°C | −3°C | 5.1°C | 34 mm |
| November | 6°C | −7°C | −0.7°C | 24 mm |
| December | 1°C | −12°C | −5.6°C | 22 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Helena (16 miles away), gets 37 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00248239; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
Which months are mildest at Tizer Gardens?
Normal highs sit between 65°F and 85°F in June, July, August and September.
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00248239.
When is the last frost at Tizer Gardens?
In Tizer Gardens, the last spring frost (32°F) comes after June 18 in half of years and after July 3 in one year in ten; the first autumn frost comes before September 5 in half of years and before August 21 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- June 181 year in 10 after July 3; 9 in 10 after May 30
- First autumn frost, half of years before
- September 51 year in 10 before August 21; 9 in 10 before September 18
NOAA puts the median frost-free season at 81 days, and the season without a hard freeze (28°F) at 111 days.
A hard freeze (28°F) comes after May 29 in half of springs and before September 18 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Tizer Gardens in zone 4b in ZIP code 59638, the nearest ZIP area.
Frost dates for every NOAA station in Montana · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00248239; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get at Tizer Gardens?
In a normal year in Tizer Gardens, 11 days a year reach 90°F and 223 nights fall to 32°F or colder.
- Days at 90°F or more
- 11a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 223a normal year
- Days that stay below freezing
- 43high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00248239.
How sunny is it at Tizer Gardens?
Over a year 74% of the sunlight that would reach the ground under clear skies gets through the clouds at Tizer Gardens, 4.0 kWh per square metre a day. July is the sunniest month (86%) and December the cloudiest (61%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 66% | 1.5 |
| February | 70% | 2.5 |
| March | 69% | 3.7 |
| April | 68% | 4.8 |
| May | 69% | 5.7 |
| June | 74% | 6.5 |
| July | 86% | 7.3 |
| August | 84% | 6.0 |
| September | 79% | 4.5 |
| October | 70% | 2.8 |
| November | 64% | 1.6 |
| December | 61% | 1.2 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How many heating and cooling degree days does Tizer Gardens record?
A normal year at Tizer Gardens brings 8,802 heating degree days, 64% more than the median U.S. place (5,373), and 75 cooling degree days, 92% fewer than the median (908). Ten months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 1,209 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,307 | 0 |
| February | 1,158 | 0 |
| March | 1,029 | 0 |
| April | 767 | 0 |
| May | 547 | 0 |
| June | 313 | 6 |
| July | 100 | 35 |
| August | 119 | 32 |
| September | 358 | 3 |
| October | 740 | 0 |
| November | 1,028 | 0 |
| December | 1,337 | 0 |
| Year (annual) | 8,802 | 75 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00248239. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Tizer Gardens's climate compare?
Tizer Gardens is warmer than 19 of the 141 places with their own NOAA record in Montana, and wetter than 107. Across the 7,247 U.S. stations with normals, its annual mean of 41.0°F is warmer than 7%.
In the Köppen classification computed from these normals, Tizer Gardens is Dfb: continental, no dry season, warm summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Tizer Gardens share this climate record?
3 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Clancy, MT1,729 people · 5 mi N
- Jefferson City, MT446 people · 0 mi NW
- Elkhorn, MT49 people · 7 mi SE
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Tizer Gardens's climate
What is the coldest month at Tizer Gardens?
December, with a normal high of 33°F and a normal low of 10°F. The warmest is July (81°F by day, 44°F at night).
Does it snow at Tizer Gardens?
Yes. NOAA publishes no 1991-2020 snowfall normal for the station; the nearest record that keeps one, Helena (16 miles away), records 37 inches of snow in a normal year.
What is the rainiest month at Tizer Gardens?
June, with 3.13 in of precipitation in a normal year; the driest is January with 0.80 in.
What plant hardiness zone is Tizer Gardens in?
The USDA's 2023 map puts Tizer Gardens in zone 4b in ZIP code 59638, the nearest ZIP area.
How late can frost come at Tizer Gardens?
In half of years the last 32°F night comes after June 18; in one year in ten it comes after July 3. Waiting until July 3 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Montana climateThe statewide normals and every place in the state
- Boulder, MT11 miles from this station, 42.6°F a year
- Helena, MT16 miles from this station, 45.5°F a year
- Austin (1 mi W), MT22 miles from this station, 40.3°F a year
- Elliston, MT24 miles from this station, 40.3°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made