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Climate in Mountain View · NOAA 1991–2020 normals

Few U.S. towns get more rain and snow than Mountain View: 229 inches a year

On a normal July day the thermometer tops out near 77°. Seasons differ by 22°, from the coldest nights to the warmest afternoons. Its January nights stay gentler than in almost every U.S. town. Plan time outside from January to December, when highs sit at 72–78°.

Milder January nights than all but 177 U.S. towns#85Mildest winters  of 93 in HI
Wetter: first of 12,954 U.S. townsThe wettest of 93 in HI
All HI rankings →

A year in Mountain View at a glance

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

Jan74°56° 1 day 90°+
Feb72°56°
Mar73°57°
Apr73°58°
May75°59°
Jun76°60°
Jul77°62°
Aug77°62° Wettest
Sep78°61°
Oct77°61°
Nov now75°59°
Dec74°57°

What stands out about Mountain View’s climate

Compared with towns across the U.S., with Mountain View’s place in Hawaii beside it.

A normal year

What a year in Mountain View feels like

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

Winter
73° / 56°
Snow is rare
Spring
74° / 58°
Frost is rare
Summer
77° / 61°
90° days are rare
Fall
77° / 60°
Frost is rare
Best months to be outsideJanFebMarAprMayJunJulAugSepOctNovDecHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

Frost is rare

Frost and day counts come from Glenwood #2 55.4, HI, 3 miles away.

About these counts. No NOAA weather station near Mountain View passes our checks, so these counts come from Glenwood #2 55.4, HI, 3 miles away. It sits 600 ft lower than the town, so read its counts as approximate for Mountain View.
Most winters pass without a freeze. A normal year at Glenwood #2 55.4, HI has no night at 32° or below.
0
nights at or below 32° in a normal year
Fewer freezing nights: first of 12,931 U.S. towns
0
nights at or below 0°
None in a normal year
<1
days that reach 90°
23rd fewest of 85 in Hawaii
Fewer 90° days than all but 180 U.S. towns
0
days that reach 100°
None in a normal year
11aUSDA zone
Plant hardiness zone 11a

The 2023 USDA map puts Mountain View’s center in zone 11a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 45°. Plant labels use the zone; frost dates tell you when to plant.

Rain & snow

About 229 inches of rain a year

August is the wettest month and January the driest. Rain falls on about 301 days a year. Snow is rare: about 0.0" in a normal year at Glenwood #2 55.4, HI, so most winters see none.

229"
Rain + melted snow a year
The wettest of 93 in Hawaii
Wetter: first of 12,954 U.S. towns
0.0"
Snow in a normal winter
Less snow than 93% of U.S. towns

Rain + melted snow by month

Inches of water

23.5"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Mountain View

16% of the work is heating, so air conditioning is the bigger bill. No month averages under 55°.

168 heating degree daysLess heating than all but 148 U.S. towns
904 cooling degree daysLess cooling than 51% of 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 Glenwood #2 55.4, HI.

Living here

Living with Mountain View’s climate

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

The garden window

Zone 11a. Frost almost never comes, so tender plants can often stay out through winter.

Get outside

Months with highs of 62–84° and lows of 40° or more: January, February, March, April, May, June, July, August, September, October, November and December. 54 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Mountain View from natural hazards, river flooding is the largest share (48%). Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Mountain View and its neighbors

Volcano has the coldest January nights next door (49°, 7° colder) and Kurtistown the hottest July afternoons (79°, 2° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.

Royal Hawaiian Estates: January low 49°, July high 73°Keaau: January low 61°, July high 79°Orchidlands Estates: January low 61°, July high 79°Tiki Gardens: January low 56°, July high 77°Ainaloa: January low 56°, July high 77°Volcano Golf Course: January low 49°, July high 73°Mauna Loa Estates: January low 49°, July high 73°Fern Forest: January low 56°, July high 77°Kurtistown: January low 61°, July high 79°Eden Roc: January low 56°, July high 77°Fern Acres: January low 56°, July high 77°Hawaiian Acres: January low 56°, July high 77°Volcano: January low 49°, July high 73°Mountain View: January low 56°, July high 77°Mountain ViewFern ForestKurtistownEden RocFern AcresHawaiian AcresVolcano
ColderMilder49° to 61°
Volcano49.4° −6.6°
Mountain View56.0°
Fern Forest56.0° about the same
Eden Roc56.0° about the same
Fern Acres56.0° about the same
Hawaiian Acres56.0° about the same
Kurtistown60.7° +4.7°

Climates most like Mountain View’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Mountain View, HI56°77°229"0.0"
Ketchikan, AK32°65°150"35"
Tillamook, OR38°71°87"0.2"
Ocean Shores, WA38°66°82"0.0"
Crescent City, CA42°64°69"0.0"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Compared with other towns

How Mountain View compares

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

Summer heat77° July high
Cooler July afternoons than 97% of U.S. towns8th coolest of 93 in Hawaii
Winter cold56° January low
Milder January nights than all but 177 U.S. towns85th mildest of 93 in Hawaii
Precipitation229" a year
Wetter: first of 12,954 U.S. townsThe wettest of 93 in Hawaii
Snow0.0" a winter
Less snow than 93% of U.S. townsNot ranked: under an inch a year
Hot days<1 days at 90°+
Fewer 90° days than all but 180 U.S. towns23rd fewest of 85 in Hawaii
Freezing nights0 a year
Fewer freezing nights: first of 12,931 U.S. towns
Month by month

Mountain View weather by month

Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Glenwood #2 55.4, HI. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground
January74°56°13.1"0.0"170
February72°56°15.8"0.0"200
March73°57°22.9"0.0"260
April73°58°22.0"0.0"280
May75°59°15.0"0.0"250
June76°60°18.1"0.0"270
July77°62°19.0"0.0"280
August77°62°23.5"0.0"290
September78°61°16.1"0.0"260
October77°61°18.2"0.0"270
November75°59°23.1"0.0"250
December74°57°22.3"0.0"230
Year75°59°229.1"0.0"3010
Sources

Where Mountain View’s numbers come from

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

  • Temperatures and precipitation: NOAA’s 1991–2020 normals at the nearest station (NOAA’s grid doesn’t cover Hawaii).
  • Snow: Glenwood #2 55.4, HI.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Glenwood #2 55.4, HI, 3 miles from the town’s center, 600 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.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Mountain View’s climate

What is the weather like in Mountain View?

A typical July afternoon reaches 77°, a January night drops to 56°, and snow is almost unheard of. Milder January nights than all but 177 U.S. towns; cooler July afternoons than 97% of U.S. towns.

How cold does it get in Mountain View in winter?

February nights average 56°. A night at 32° or below comes in only some winters (0.0 a year on average).

How much snow does Mountain View get?

About 0.0 inches in a normal winter at Glenwood #2 55.4, HI, so most winters see none.

How hot does it get in Mountain View?

July, with a typical high of 77°. 90° days are rare: none in a normal year at Glenwood #2 55.4, HI.

When is the first and last frost in Mountain View?

Most years have no frost at all: a 32° night comes in about 0% of winters at Glenwood #2 55.4, HI, usually in December or January.

What growing zone is Mountain View in?

Zone 11a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 45°.

What is the best time of year to visit Mountain View?

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

Neighbors talk weather

Gardens, snow, and the best days of the year in Mountain View.

Town Square →
Ask your neighbors

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