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Climate in Rimini · NOAA 1991–2020 normals

Hardly any U.S. towns see fresher July days than Rimini

Midwinter brings lows of about 16°. Only 60° separates winter nights from summer afternoons. Its yearly precipitation falls short of 88% of U.S. towns. Warm coats and heating bills mark the months from October to May, when means dip under 50°.

Colder January nights than 81% of U.S. towns#31 coldest of 44 in MT
Cooler July afternoons than all but 179 U.S. towns#2Coolest summers  of 44 in MT
All MT rankings →

A year in Rimini at a glance

Each month’s typical high and low, and what it brings.

Jan31°16°
Feb33°15°
Mar40°21°
Apr47°26°
May56°34°
Jun64°41° Last frost ~Jun 91 day 90°+
Jul74°48° 6 days 90°+
Aug74°47° 4 days 90°+
Sep63°40° First frost ~Sep 8
Oct49°30°
Nov now37°21°
Dec30°15°

What stands out about Rimini’s climate

Compared with towns across the U.S., with Rimini’s place in Montana beside it.

A normal year

What a year in Rimini feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
31° / 15°
Snow is rare
Spring
48° / 27°
Last frost around Jun 9
Summer
71° / 45°
11 days reach 90°
Fall
50° / 30°
First frost around Sep 8
Best months to be outsideJunJulAugHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 91 frost-free days a year

In half of years the last 32° night comes by June 9 and the first by September 8. Frost and day counts come from Elliston, MT, 10 miles away.

About these counts. No NOAA weather station near Rimini passes our checks, so these counts come from Elliston, MT, 10 miles away. It its July highs and January lows differ from Rimini’s own gridded figures by 12° combined, so read its counts as approximate for Rimini.
219
nights at or below 32° in a normal year
5th most of 44 in Montana
More freezing nights than all but 38 U.S. towns
25
nights at or below 0°
13th most of 44 in Montana
More nights at or below 0° than 96% of U.S. towns
11
days that reach 90°
8th fewest of 44 in Montana
Fewer 90° days than 73% of U.S. towns
<1
days that reach 100°
7th fewest of 44 in Montana
Fewer 100° days than 68% of U.S. towns
4aUSDA zone
Plant hardiness zone 4a

The 2023 USDA map puts Rimini’s center in zone 4a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −25°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

31
JFMAMJJASOND

90° days by month

Average days at 90° or more

5.5
JFMAMJJASOND
Rain & snow

About 22 inches of rain a year

June is the wettest month and January the driest.

22"
Rain + melted snow a year
43rd driest of 44 in Montana
Drier than 88% of U.S. towns

Rain + melted snow by month

Inches of water

3.2"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Rimini

99% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from September through June.

9,075 heating degree daysMore heating than all but 106 U.S. towns
105 cooling degree daysLess cooling than all but 156 U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Elliston, MT.

Living here

Living with Rimini’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

91 frost-free days in zone 4a. The last frost comes by Jun 9 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 8.

Get outside

Months with highs of 62–84° and lows of 40° or more: June, July and August. 1.1 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Rimini from natural hazards, river flooding is the largest share (30%); heat waves, cold waves, winter storms and ice storms together are 28%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door & far away

Rimini and similar climates

TownRatings has no climate map of the towns around Rimini yet.

Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.

Then and now

Warmer than it used to be

The last 30 years in Rimini averaged 1.5° warmer than the 1900s. The biggest change is in January (+4.6°).

+1.5°1991–2020 vs. 1901–2000

A bigger shift than in 60% of U.S. towns.

Winter+2.3°now 23°, was 21°
Spring+1.6°now 37°, was 36°
Summer+1.1°now 58°, was 57°
Fall+1.0°now 40°, was 39°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Rimini compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Rimini’s place among Montana’s.

Summer heat74° July high
Cooler July afternoons than all but 179 U.S. towns2nd coolest of 44 in Montana
Winter cold16° January low
Colder January nights than 81% of U.S. towns31st coldest of 44 in Montana
Precipitation22" a year
Drier than 88% of U.S. towns43rd driest of 44 in Montana
Hot days11 days at 90°+
Fewer 90° days than 73% of U.S. towns8th fewest of 44 in Montana
Freezing nights219 a year
More freezing nights than all but 38 U.S. towns5th most of 44 in Montana
Growing season91 frost-free days
A shorter frost-free season than all but 16 U.S. towns3rd shortest of 42 in Montana
Month by month

Rimini weather by month

Highs, lows and precipitation from NOAA’s grid at Rimini’s center. 1991–2020 normals.

MonthHighLowRain + melt30-yr range
January31°16°1.4"14° – 30°
February33°15°1.4"10° – 33°
March40°21°1.6"21° – 38°
April47°26°2.3"31° – 42°
May56°34°2.9"40° – 50°
June64°41°3.2"47° – 59°
July74°48°1.6"51° – 68°
August74°47°1.5"54° – 64°
September63°40°1.6"47° – 56°
October49°30°1.7"32° – 46°
November37°21°1.7"21° – 37°
December30°15°1.5"14° – 29°
Year50°29°22.4"
Year to year

How much a month can swing

A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 10° to 33°. September is the most reliable, staying within 9°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Rimini’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Rimini’s center.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Elliston, MT, 10 miles from the town’s center, 300 ft lower; no station nearby passes every check; this is the nearest one in the same valley, flagged above.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Rimini’s climate

What is the weather like in Rimini?

A typical July afternoon reaches 74°, a January night drops to 16°. Colder January nights than 81% of U.S. towns; cooler July afternoons than all but 179 U.S. towns.

How cold does it get in Rimini in winter?

December nights average 15°. About 219 nights a year reach 32° or below and 25 reach 0° or below. In the coldest December of the last 30 years the month averaged 14°.

How hot does it get in Rimini?

July, with a typical high of 74° and a low of 48°. About 11 days a year reach 90° (Elliston, MT).

When is the first and last frost in Rimini?

In half of years the last spring frost (32°) comes by June 9 and the first fall frost by September 8, about 91 frost-free days, at Elliston, MT.

What growing zone is Rimini in?

Zone 4a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −25°.

What is the best time of year to visit Rimini?

By one simple rule (highs of 62–84° and lows of 40° or more), June, July and August. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Rimini getting warmer?

Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 60% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Rimini.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.