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Seoul Weather API — Monthly Data
x402
Seoul Weather API — Monthly Data is a paid API for AI agents from seoul-weather-402.fly.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns monthly average temperature and rain day statistics for Seoul, South Korea, sourced from the Korea Meteorological Administration (KMA)
Price / call$0.01
Success—
StatusUnknown
How this service works
Seoul monthly climate averages — ideal for trip planning
Output
A JSON object containing an array of monthly weather records for Seoul, each with the month name, average temperature in Celsius, and the percentage of days with rain, along with a location label ('Seoul, South Korea').
Example use cases
Example prompt
“What's the average temperature and how many rain days should I expect in Seoul in June, according to Korea Meteorological Administration data?”
Technical details
Endpoint
GEThttps://seoul-weather-402.fly.dev/weather/seoul/monthlyWhen to prefer
Use this endpoint when you need monthly climate statistics specifically for Seoul, South Korea, backed by official Korea Meteorological Administration data. Prefer this over generic global weather APIs when Seoul-specific historical monthly averages (temperature, rain days) are needed for travel planning, tourism apps, or trip preparation.
Side effects
- Payment not received — returns 402 Payment Required if USDC payment on Base Mainnet is not provided
- Invalid or missing query parameters — returns 400 Bad Request
- Service unavailable — fly.dev hosting may experience downtime, returning 503
- KMA data feed unavailable — upstream data source outage may result in stale or missing data
Input
{
"properties": "temperature,humidity,windSpeed"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
{
"ok": true,
"data": [
{
"month": "Jan",
"avgTemp": {
"celsius": -3.3694214876033057,
"fahrenheit": 26
},
"rainDays": "3% of days",
"avgHumidity": "52%",
"basedOnDays": 31,
"monthNumber": 1
},
{
"month": "Feb",
"avgTemp": {
"celsius": 2.828571428571429,
"fahrenheit": 37
},
"rainDays": "4% of days",
"avgHumidity": "54%",
"basedOnDays": 28,
"monthNumber": 2
},
{
"month": "Mar",
"avgTemp": {
"celsius": 8.215322580645163,
"fahrenheit": 47
},
"rainDays": "19% of days",
"avgHumidity": "55%",
"basedOnDays": 31,
"monthNumber": 3
},
{
"month": "Apr",
"avgTemp": {
"celsius": 14.991666666666669,
"fahrenheit": 59
},
"rainDays": "17% of days",
"avgHumidity": "51%",
"basedOnDays": 30,
"monthNumber": 4
},
{
"month": "May",
"avgTemp": {
"celsius": 19.576612903225797,
"fahrenheit": 67
},
"rainDays": "19% of days",
"avgHumidity": "60%",
"basedOnDays": 31,
"monthNumber": 5
},
{
"month": "Jun",
"avgTemp": {
"celsius": 23.995238095238093,
"fahrenheit": 75
},
"rainDays": "0% of days",
"avgHumidity": "57%",
"basedOnDays": 17,
"monthNumber": 6
},
{
"month": "Dec",
"avgTemp": {
"celsius": -9.45,
"fahrenheit": 15
},
"rainDays": "0% of days",
"avgHumidity": "50%",
"basedOnDays": 1,
"monthNumber": 12
}
],
"location": "Seoul, South Korea"
}Schema · Response
{
"type": "json",
"example": {
"data": [
{
"month": "Jun",
"avgTemp": {
"celsius": 23
},
"rainDays": "40% of days"
}
],
"location": "Seoul, South Korea"
}
}Tags
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