Troy weather in October
In October, Troy sees average daytime highs of 64°F and overnight lows near 45°F, with 2.9 in of precipitation across 8.1 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.
Highs ease over the month, from about 70°F in the first days to 58°F by the end. The sky is clear or mostly clear about 35% of the time in October, and the air most often feels dry.
Daylight stretches from about 11 h 36 min at the start of October to 10 h 18 min by month's end. Set against the rest of the year, October is Troy's 4th-clearest and 7th-windiest month. For the whole year in context, see Troy's year-round climate.
- Daytime high
- 64°
- 6th warmest
- Overnight low
- 45°
- 7th coldest
- Precipitation
- 2.9 in
- 8.1 wet days
- Daylight
- 10 h 54 min
- 6:54 AM – 5:50 PM
- Cloud cover
- 57%
- 4th clearest
- Wind
- 8 mph
- 7th windiest
- Solar energy
- 3.21 kWh/m²
- Travel score
- 5.8
- out of 10
Troy is city in and seat of Miami County, Ohio, United States.
- Density
- 830/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Highs ease over the month, from about 70°F in the first days to 58°F by the end.
A typical October day in Troy reaches about 64°F in the afternoon and slips back to 45°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 76°F. Set against its neighbours, October runs about 12°F cooler than September and about 13°F warmer than November.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 71 | 70 | 70 | 69 | 69 | 69 | 68 | 68 | 67 | 67 | 66 | 66 | 65 | 65 | 64 | 64 | 63 | 63 | 62 | 62 | 61 | 61 | 60 | 60 | 60 | 59 | 59 | 58 | 58 | 57 | 57 |
| Avg low (°F) | 51 | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 47 | 47 | 47 | 46 | 46 | 46 | 45 | 45 | 45 | 44 | 44 | 44 | 43 | 43 | 43 | 42 | 42 | 42 | 41 | 41 | 41 | 40 | 40 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 71 | 51 |
| 2 | 70 | 50 |
| 3 | 70 | 50 |
| 4 | 69 | 49 |
| 5 | 69 | 49 |
| 6 | 69 | 49 |
| 7 | 68 | 48 |
| 8 | 68 | 48 |
| 9 | 67 | 47 |
| 10 | 67 | 47 |
| 11 | 66 | 47 |
| 12 | 66 | 46 |
| 13 | 65 | 46 |
| 14 | 65 | 46 |
| 15 | 64 | 45 |
| 16 | 64 | 45 |
| 17 | 63 | 45 |
| 18 | 63 | 44 |
| 19 | 62 | 44 |
| 20 | 62 | 44 |
| 21 | 61 | 43 |
| 22 | 61 | 43 |
| 23 | 60 | 43 |
| 24 | 60 | 42 |
| 25 | 60 | 42 |
| 26 | 59 | 42 |
| 27 | 59 | 41 |
| 28 | 58 | 41 |
| 29 | 58 | 41 |
| 30 | 57 | 40 |
| 31 | 57 | 40 |
How October really feels in Troy
Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Troy weather by month
How October compares with the rest of the year at a glance. October is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 36° / 22° | 3.1 | 9.9 | 4.9 | 9.5 | 0.0 |
| Feb | 39° / 24° | 2.5 | 9 | 4.3 | 10.4 | 0.1 |
| Mar | 50° / 32° | 3.7 | 11.1 | 2.2 | 11.7 | 2.1 |
| Apr | 62° / 43° | 4.5 | 12.5 | 0.6 | 13 | 4.9 |
| May | 71° / 53° | 4.4 | 13.1 | 0 | 14.2 | 6.1 |
| Jun | 80° / 62° | 3.9 | 11.7 | 0 | 14.8 | 6.2 |
| Jul | 83° / 66° | 3.2 | 11.4 | 0 | 14.6 | 5.7 |
| Aug | 82° / 64° | 3.1 | 9.4 | 0 | 13.6 | 6.5 |
| Sep | 76° / 57° | 2.7 | 7.8 | 0 | 12.3 | 7.2 |
| Oct | 64° / 45° | 2.9 | 8.1 | 0.2 | 10.9 | 5.8 |
| Nov | 51° / 35° | 3.3 | 8.9 | 1.1 | 9.8 | 2.5 |
| Dec | 40° / 27° | 3.2 | 9.7 | 3.3 | 9.2 | 0.1 |
Cloud cover in October
The sky is clear or mostly clear about 35% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 57 | 56 | 56 | 56 | 55 | 54 | 54 | 53 | 53 | 51 | 51 | 50 | 50 | 49 | 48 | 47 | 47 | 46 | 46 | 45 | 44 | 43 | 42 | 41 | 41 | 41 | 41 | 41 | 39 | 39 | 40 |
| Cloudier (%) | 43 | 44 | 44 | 44 | 45 | 46 | 46 | 47 | 47 | 49 | 49 | 50 | 50 | 51 | 52 | 53 | 53 | 54 | 54 | 55 | 56 | 57 | 58 | 59 | 59 | 59 | 59 | 59 | 61 | 61 | 60 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 57 | 43 |
| 2 | 56 | 44 |
| 3 | 56 | 44 |
| 4 | 56 | 44 |
| 5 | 55 | 45 |
| 6 | 54 | 46 |
| 7 | 54 | 46 |
| 8 | 53 | 47 |
| 9 | 53 | 47 |
| 10 | 51 | 49 |
| 11 | 51 | 49 |
| 12 | 50 | 50 |
| 13 | 50 | 50 |
| 14 | 49 | 51 |
| 15 | 48 | 52 |
| 16 | 47 | 53 |
| 17 | 47 | 53 |
| 18 | 46 | 54 |
| 19 | 46 | 54 |
| 20 | 45 | 55 |
| 21 | 44 | 56 |
| 22 | 43 | 57 |
| 23 | 42 | 58 |
| 24 | 41 | 59 |
| 25 | 41 | 59 |
| 26 | 41 | 59 |
| 27 | 41 | 59 |
| 28 | 41 | 59 |
| 29 | 39 | 61 |
| 30 | 39 | 61 |
| 31 | 40 | 60 |
Chance of precipitation in October
Troy gets around 2.9 in of rain and snow over 8.1 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 26% and peaks near 29% on the wettest days, and about 0 day brings snow.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Snow chance (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 26 | 0 |
| 2 | 25 | 0 |
| 3 | 25 | 0 |
| 4 | 24 | 0 |
| 5 | 24 | 0 |
| 6 | 24 | 0 |
| 7 | 24 | 0 |
| 8 | 24 | 0 |
| 9 | 24 | 0 |
| 10 | 24 | 0 |
| 11 | 25 | 0 |
| 12 | 25 | 0 |
| 13 | 25 | 0 |
| 14 | 25 | 0 |
| 15 | 26 | 0 |
| 16 | 26 | 0 |
| 17 | 26 | 0 |
| 18 | 27 | 0 |
| 19 | 27 | 1 |
| 20 | 28 | 1 |
| 21 | 28 | 1 |
| 22 | 28 | 1 |
| 23 | 29 | 1 |
| 24 | 29 | 1 |
| 25 | 29 | 1 |
| 26 | 29 | 1 |
| 27 | 29 | 1 |
| 28 | 29 | 1 |
| 29 | 29 | 2 |
| 30 | 29 | 2 |
| 31 | 29 | 2 |
Humidity in October
Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the dry band about 86% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 72 | 73 | 74 | 75 | 75 | 77 | 78 | 79 | 80 | 80 | 83 | 83 | 85 | 86 | 86 | 88 | 89 | 89 | 90 | 91 | 91 | 91 | 91 | 93 | 93 | 93 | 93 | 93 | 94 | 94 | 94 |
| Comfortable (%) | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 |
| Humid (%) | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Muggy (%) | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 72 | 15 | 9 | 4 |
| 2 | 73 | 14 | 9 | 4 |
| 3 | 74 | 14 | 8 | 4 |
| 4 | 75 | 13 | 8 | 4 |
| 5 | 75 | 13 | 8 | 4 |
| 6 | 77 | 12 | 7 | 4 |
| 7 | 78 | 12 | 7 | 3 |
| 8 | 79 | 12 | 6 | 3 |
| 9 | 80 | 11 | 6 | 3 |
| 10 | 80 | 11 | 6 | 3 |
| 11 | 83 | 10 | 5 | 2 |
| 12 | 83 | 10 | 5 | 2 |
| 13 | 85 | 9 | 4 | 2 |
| 14 | 86 | 9 | 4 | 1 |
| 15 | 86 | 9 | 4 | 1 |
| 16 | 88 | 8 | 3 | 1 |
| 17 | 89 | 8 | 3 | 0 |
| 18 | 89 | 8 | 3 | 0 |
| 19 | 90 | 8 | 2 | 0 |
| 20 | 91 | 7 | 2 | 0 |
| 21 | 91 | 7 | 2 | 0 |
| 22 | 91 | 7 | 2 | 0 |
| 23 | 91 | 7 | 2 | 0 |
| 24 | 93 | 6 | 1 | 0 |
| 25 | 93 | 6 | 1 | 0 |
| 26 | 93 | 6 | 1 | 0 |
| 27 | 93 | 6 | 1 | 0 |
| 28 | 93 | 6 | 1 | 0 |
| 29 | 94 | 5 | 1 | 0 |
| 30 | 94 | 5 | 1 | 0 |
| 31 | 94 | 5 | 1 | 0 |
Wind in October
Winds average 8 mph in October.
Across October, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 8 | light breeze |
| 2 | 8 | light breeze |
| 3 | 8 | light breeze |
| 4 | 8 | light breeze |
| 5 | 8 | light breeze |
| 6 | 8 | light breeze |
| 7 | 8 | light breeze |
| 8 | 8 | light breeze |
| 9 | 8 | light breeze |
| 10 | 8 | light breeze |
| 11 | 8 | light breeze |
| 12 | 8 | light breeze |
| 13 | 8 | light breeze |
| 14 | 8 | light breeze |
| 15 | 8 | light breeze |
| 16 | 8 | light breeze |
| 17 | 8 | light breeze |
| 18 | 8 | light breeze |
| 19 | 8 | light breeze |
| 20 | 8 | light breeze |
| 21 | 8 | light breeze |
| 22 | 8 | light breeze |
| 23 | 8 | light breeze |
| 24 | 8 | light breeze |
| 25 | 8 | light breeze |
| 26 | 9 | light breeze |
| 27 | 9 | light breeze |
| 28 | 9 | light breeze |
| 29 | 9 | light breeze |
| 30 | 9 | light breeze |
| 31 | 9 | light breeze |
Sunrise & sunset in October
Daylight runs from about 11 h 36 min at the start of October to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 78 minutes over October. Sunrise moves from 6:38 AM to 7:11 AM, and sunset from 6:13 PM to 5:30 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.6 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 11.0 | 11.0 | 10.9 | 10.9 | 10.8 | 10.8 | 10.8 | 10.7 | 10.7 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 | 10.4 | 10.4 | 10.3 | 10.3 |
| Sunrise (AM) | 6:38 | 6:39 | 6:40 | 6:41 | 6:42 | 6:43 | 6:45 | 6:46 | 6:47 | 6:48 | 6:49 | 6:50 | 6:51 | 6:52 | 6:53 | 6:54 | 6:55 | 6:56 | 6:58 | 6:59 | 7:00 | 7:01 | 7:02 | 7:03 | 7:04 | 7:05 | 7:07 | 7:08 | 7:09 | 7:10 | 7:11 |
| Sunset (PM) | 6:13 | 6:12 | 6:10 | 6:08 | 6:07 | 6:05 | 6:03 | 6:02 | 6:00 | 5:59 | 5:57 | 5:56 | 5:54 | 5:52 | 5:51 | 5:50 | 5:48 | 5:47 | 5:45 | 5:44 | 5:42 | 5:41 | 5:40 | 5:38 | 5:37 | 5:36 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 6:38 | 6:13 |
| 2 | 11.5 | 6:39 | 6:12 |
| 3 | 11.5 | 6:40 | 6:10 |
| 4 | 11.4 | 6:41 | 6:08 |
| 5 | 11.4 | 6:42 | 6:07 |
| 6 | 11.4 | 6:43 | 6:05 |
| 7 | 11.3 | 6:45 | 6:03 |
| 8 | 11.3 | 6:46 | 6:02 |
| 9 | 11.2 | 6:47 | 6:00 |
| 10 | 11.2 | 6:48 | 5:59 |
| 11 | 11.1 | 6:49 | 5:57 |
| 12 | 11.1 | 6:50 | 5:56 |
| 13 | 11.1 | 6:51 | 5:54 |
| 14 | 11.0 | 6:52 | 5:52 |
| 15 | 11.0 | 6:53 | 5:51 |
| 16 | 10.9 | 6:54 | 5:50 |
| 17 | 10.9 | 6:55 | 5:48 |
| 18 | 10.8 | 6:56 | 5:47 |
| 19 | 10.8 | 6:58 | 5:45 |
| 20 | 10.8 | 6:59 | 5:44 |
| 21 | 10.7 | 7:00 | 5:42 |
| 22 | 10.7 | 7:01 | 5:41 |
| 23 | 10.6 | 7:02 | 5:40 |
| 24 | 10.6 | 7:03 | 5:38 |
| 25 | 10.5 | 7:04 | 5:37 |
| 26 | 10.5 | 7:05 | 5:36 |
| 27 | 10.5 | 7:07 | 5:34 |
| 28 | 10.4 | 7:08 | 5:33 |
| 29 | 10.4 | 7:09 | 5:32 |
| 30 | 10.3 | 7:10 | 5:31 |
| 31 | 10.3 | 7:11 | 5:30 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 3.21 kWh/m².
For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 6.24 kWh/m² in June across the year — October's 3.21 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.9 | 3.9 | 3.8 | 3.8 | 3.7 | 3.7 | 3.6 | 3.6 | 3.6 | 3.5 | 3.5 | 3.4 | 3.4 | 3.3 | 3.3 | 3.2 | 3.2 | 3.1 | 3.1 | 3.0 | 3.0 | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | 2.7 | 2.7 | 2.6 | 2.6 | 2.6 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.9 | Moderate |
| 2 | 3.9 | Moderate |
| 3 | 3.8 | Moderate |
| 4 | 3.8 | Moderate |
| 5 | 3.7 | Moderate |
| 6 | 3.7 | Moderate |
| 7 | 3.6 | Moderate |
| 8 | 3.6 | Moderate |
| 9 | 3.6 | Moderate |
| 10 | 3.5 | Moderate |
| 11 | 3.5 | Moderate |
| 12 | 3.4 | Moderate |
| 13 | 3.4 | Moderate |
| 14 | 3.3 | Moderate |
| 15 | 3.3 | Moderate |
| 16 | 3.2 | Moderate |
| 17 | 3.2 | Moderate |
| 18 | 3.1 | Moderate |
| 19 | 3.1 | Moderate |
| 20 | 3.0 | Moderate |
| 21 | 3.0 | Moderate |
| 22 | 2.9 | Moderate |
| 23 | 2.9 | Moderate |
| 24 | 2.8 | Moderate |
| 25 | 2.8 | Moderate |
| 26 | 2.8 | Moderate |
| 27 | 2.7 | Moderate |
| 28 | 2.7 | Moderate |
| 29 | 2.6 | Moderate |
| 30 | 2.6 | Moderate |
| 31 | 2.6 | Moderate |
Is October a good time to visit Troy?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a reasonable time to visit Troy for sightseeing.
What to pack for Troy in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Troy sees daytime highs around 64°F and nights near 45°F. Worth packing: a warm layer and rain gear. About 8 days see rain.
UV index in Troy in October
Clear-sky midday UV in October peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Troy peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 8 | 10 | 9 | 8 | 6 | 3 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Troy in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.
Air quality in Troy is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 12 | 12 | 12 | 15 | 17 | 17 | 15 | 12 | 8 | 8 | 9 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Good |
| Mar | 12 | Good |
| Apr | 12 | Moderate |
| May | 15 | Moderate |
| Jun | 17 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 12 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 9 | Good |
Where is Troy?
Troy sits at 40.0°N, 84.2°W, 827 ft above sea level, in United States. The nearest listed city is Piqua, 7.5 mi away.
Topography around Troy
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Troy.
Within 2 miles, the terrain around Troy has only modest variations in elevation — a maximum elevation change of 167 ft around an average of 846 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 433 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 991 ft.
The land around Troy is covered by grassland (29%), trees (27%) and artificial surfaces (22%) within 2 miles, cropland (60%) within 10 miles, and cropland (66%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Troy (40.0395°, -84.2033°, elevation 827 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).