A middle-of-the-road climate: Olivet is close to most U.S. towns on every count
Midsummer highs settle at about 87°. Precipitation is plentiful here, more than falls on 66% of U.S. towns. Decade by decade the climate has edged up, 2.0° above 1901–2000. Picnics, hikes and garden evenings come into their own from April to June and September to October, with highs of 64–82°.
A year in Olivet at a glance
Each month’s typical high and low, and what it brings.
What stands out about Olivet’s climate
Compared with towns across the U.S., with Olivet’s place in New Jersey beside it.
What a year in Olivet feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 206 frost-free days a year
In half of years the last 32° night comes by April 11 and the first by November 3. Frost and day counts come from NOAA’s station at Woodstown Pittsgrov 4e, NJ, 0.9 miles from the town’s center, at about the same height.
The 2023 USDA map puts Olivet’s center in zone 7b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 6°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 12 inches of snow a winter
Snow, measured at Seabrook Farms, NJ, is heaviest from January through February, about 4 inches a month. Precipitation (rain plus melted snow) adds up to 46 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 117 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Olivet
79% of the work is heating. Months averaging under 55° run from November through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Woodstown Pittsgrov 4e, NJ.
Living with Olivet’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
206 frost-free days in zone 7b. The last frost comes by Apr 11 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 3.
Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October.
Parks & trails →Of the yearly building losses FEMA expects in Olivet from natural hazards, river flooding is the largest share (45%); heat waves, cold waves, winter storms and ice storms together are 18%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Olivet and similar climates
TownRatings has no climate map of the towns around Olivet yet.
Climates most like Olivet’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.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Olivet, NJ | 25° | 87° | 46" | 12" |
| Huntington, WV | 25° | 87° | 46" | 10" |
| Buena Vista, VA | 26° | 87° | 45" | 11" |
| Mount Vernon, IL | 23° | 87° | 46" | 10" |
| Scottsburg, IN | 23° | 87° | 48" | 12" |
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 Olivet averaged 2.0° warmer than the 1900s. The biggest change is in December (+3.4°).
A bigger shift than in 88% 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 Olivet compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Olivet’s place among New Jersey’s.
Olivet weather by month
Highs, lows and precipitation from NOAA’s grid at Olivet’s center; snow, wet days and snow on the ground from Seabrook Farms, NJ. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 42° | 25° | 3.2" | 3.9" | 10 | 5 | 26° – 41° |
| February | 45° | 26° | 2.8" | 3.6" | 10 | 6 | 25° – 43° |
| March | 53° | 33° | 4.3" | 1.8" | 11 | 2 | 37° – 51° |
| April | 64° | 42° | 3.6" | 0.2" | 11 | 0 | 49° – 58° |
| May | 74° | 52° | 3.4" | 0.0" | 11 | 0 | 58° – 69° |
| June | 82° | 62° | 4.3" | 0.0" | 10 | 0 | 68° – 77° |
| July | 87° | 67° | 4.7" | 0.0" | 10 | 0 | 72° – 80° |
| August | 85° | 65° | 4.7" | 0.0" | 9 | 0 | 71° – 78° |
| September | 78° | 58° | 4.1" | 0.0" | 8 | 0 | 65° – 72° |
| October | 67° | 47° | 3.9" | 0.0" | 9 | 0 | 52° – 64° |
| November | 56° | 37° | 3.2" | 0.1" | 9 | 0 | 41° – 51° |
| December | 47° | 30° | 4.1" | 2.2" | 10 | 2 | 30° – 50° |
| Year | 65° | 45° | 46.1" | 11.8" | 117 | 15 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 30° to 50°. September is the most reliable, staying within 7°.
Where Olivet’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 Olivet’s center.
- Snow: Seabrook Farms, NJ.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Woodstown Pittsgrov 4e, NJ, 0.9 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- 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 Olivet’s climate
What is the weather like in Olivet?
A typical July afternoon reaches 87°, a January night drops to 25°, and about 12 inches of snow falls in a normal winter. Milder January nights than 63% of U.S. towns; hotter July afternoons than 60% of U.S. towns.
How cold does it get in Olivet in winter?
January nights average 25°. About 104 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 26°.
How much snow does Olivet get?
About 12 inches in a normal winter at Seabrook Farms, NJ, heaviest from January through February, about 4 inches a month, with snow on the ground about 15 days a year.
How hot does it get in Olivet?
July, with a typical high of 87° and a low of 67°. About 35 days a year reach 90° and 2 reach 100° (Woodstown Pittsgrov 4e, NJ).
When is the first and last frost in Olivet?
In half of years the last spring frost (32°) comes by April 11 and the first fall frost by November 3, about 206 frost-free days, at Woodstown Pittsgrov 4e, NJ.
What growing zone is Olivet in?
Zone 7b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 6°.
What is the best time of year to visit Olivet?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Olivet getting warmer?
Yes: 1991–2020 averaged 2.0° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 88% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Olivet.
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.