Hardly any U.S. towns see hotter July days than Ko Vaya
The depth of winter brings overnight lows near 39°. Expect the heaviest rain or snow in August and the lightest in May. Precipitation is light here, less than falls on 96% of U.S. towns. Picnics, hikes and garden evenings come into their own from February to April and November, with highs of 67–80°.
A year in Ko Vaya at a glance
Each month’s typical high and low, and what it brings.
What stands out about Ko Vaya’s climate
Compared with towns across the U.S., with Ko Vaya’s place in Arizona beside it.
What a year in Ko Vaya feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 12 inches of rain a year
August is the wettest month and May the driest.
Rain + melted snow by month
Inches of water
Living with Ko Vaya’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 9a.
Months with highs of 62–84° and lows of 40° or more: February, March, April and November. 1.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Ko Vaya from natural hazards, river flooding is the largest share (69%); heat waves, cold waves, winter storms and ice storms together are 27%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Ko Vaya and similar climates
TownRatings has no climate map of the towns around Ko Vaya yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Ko Vaya averaged 1.6° warmer than the 1900s. The biggest change is in March (+2.5°).
A bigger shift than in 68% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Ko Vaya compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Ko Vaya’s place among Arizona’s.
Ko Vaya weather by month
Highs, lows and precipitation from NOAA’s grid at Ko Vaya’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 65° | 39° | 1.1" | 47° – 57° |
| February | 67° | 41° | 1.1" | 49° – 60° |
| March | 73° | 45° | 0.8" | 52° – 66° |
| April | 80° | 51° | 0.3" | 60° – 71° |
| May | 89° | 58° | 0.2" | 68° – 79° |
| June | 99° | 68° | 0.2" | 78° – 87° |
| July | 99° | 73° | 1.9" | 83° – 89° |
| August | 97° | 71° | 2.8" | 82° – 90° |
| September | 94° | 68° | 1.2" | 76° – 84° |
| October | 85° | 57° | 0.6" | 67° – 76° |
| November | 74° | 46° | 0.7" | 52° – 67° |
| December | 64° | 38° | 1.2" | 46° – 55° |
| Year | 82° | 55° | 11.9" |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 52° to 67°. July is the most reliable, staying within 6°.
Where Ko Vaya’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 Ko Vaya’s center.
- 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 Ko Vaya’s climate
What is the weather like in Ko Vaya?
A typical July afternoon reaches 99°, a January night drops to 39°. Milder January nights than 87% of U.S. towns; hotter July afternoons than all but 159 U.S. towns.
How cold does it get in Ko Vaya in winter?
December nights average 38°. In the coldest December of the last 30 years the month averaged 46°.
How hot does it get in Ko Vaya?
July, with a typical high of 99°. 90° days are rare.
What growing zone is Ko Vaya in?
Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 24°.
What is the best time of year to visit Ko Vaya?
By one simple rule (highs of 62–84° and lows of 40° or more), February, March, April and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Ko Vaya getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 68% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Ko Vaya.
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.