diff --git a/server/routes/automation.routes.ts b/server/routes/automation.routes.ts
index 1029c57..a546855 100644
--- a/server/routes/automation.routes.ts
+++ b/server/routes/automation.routes.ts
@@ -30,6 +30,7 @@ const ALLOWED_STORAGE_METHODS = new Set([
   'getUsersByOrganization',
   'updateUser',
   'setUserProfileFieldValueFromAutomation',
+  'recalcUserFieldAverageFromAutomation',
 ]);
 
 interface WorkerStorageCall {
diff --git a/server/storage/user-profile.storage.ts b/server/storage/user-profile.storage.ts
index a0a55ea..abecada 100644
--- a/server/storage/user-profile.storage.ts
+++ b/server/storage/user-profile.storage.ts
@@ -151,25 +151,8 @@ export class UserProfileStorage extends UsersStorage {
       throw new Error(`Поле профиля "${fieldCodeOrId}" не найдено`);
     }
 
-    const existing = await this.getUserProfileFieldValue(userId, field.id);
-    const saved = existing
-      ? await this.updateUserProfileFieldValue(userId, field.id, { value: value as UserProfileFieldValue['value'] })
-      : await this.createUserProfileFieldValue({ userId, fieldId: field.id, value: value as InsertUserProfileFieldValue['value'] });
-
-    await this.createUserProfileAuditLog({
-      userId,
-      organizationId,
-      action: 'field.changed',
-      fieldId: field.id,
-      fieldName: field.name,
-      oldValue: existing?.value ?? null,
-      newValue: typeof value === 'string' ? value : value != null ? JSON.stringify(value) : null,
-      changedBy: null,
-      changedByName: 'Автоматизация',
-      metadata: { source: 'automation', taskId: taskId ?? null },
-    });
-
-    // Для полей с историей дополнительно пишем числовое значение в user_field_history
+    // Для history-number: переданное число идёт в историю, значением поля становится среднее за текущий месяц
+    let storedValue = value;
     if (field.type === 'history-number') {
       const num = typeof value === 'number' ? value : parseFloat(String(value).replace(',', '.').trim());
       if (!Number.isFinite(num)) {
@@ -182,11 +165,88 @@ export class UserProfileStorage extends UsersStorage {
         value: String(num),
         taskId: taskId ?? null,
       });
+      storedValue = await this.recomputeUserFieldMonthlyAverage(userId, field.id, organizationId);
     }
 
+    const existing = await this.getUserProfileFieldValue(userId, field.id);
+    const saved = existing
+      ? await this.updateUserProfileFieldValue(userId, field.id, { value: storedValue as UserProfileFieldValue['value'] })
+      : await this.createUserProfileFieldValue({ userId, fieldId: field.id, value: storedValue as InsertUserProfileFieldValue['value'] });
+
+    await this.createUserProfileAuditLog({
+      userId,
+      organizationId,
+      action: 'field.changed',
+      fieldId: field.id,
+      fieldName: field.name,
+      oldValue: existing?.value ?? null,
+      newValue: typeof storedValue === 'string' ? storedValue : storedValue != null ? JSON.stringify(storedValue) : null,
+      changedBy: null,
+      changedByName: 'Автоматизация',
+      metadata: { source: 'automation', taskId: taskId ?? null },
+    });
+
     return saved;
   }
 
+  /**
+   * Пересчитывает значение history-number поля как среднее за текущий календарный месяц.
+   * Если в месяце нет записей — поле очищается (null). Возвращает новое значение.
+   */
+  async recomputeUserFieldMonthlyAverage(userId: number, fieldId: number, organizationId: number) {
+    const [row] = await db
+      .select({ avg: sql<number | null>`ROUND(AVG(${userFieldHistory.value})::numeric, 2)::float8` })
+      .from(userFieldHistory)
+      .where(and(
+        eq(userFieldHistory.userId, userId),
+        eq(userFieldHistory.fieldId, fieldId),
+        eq(userFieldHistory.organizationId, organizationId),
+        sql`${userFieldHistory.createdAt} >= date_trunc('month', now())`,
+      ));
+    const avg = row?.avg != null ? Number(row.avg) : null;
+
+    const existing = await this.getUserProfileFieldValue(userId, fieldId);
+    if (existing) {
+      if (existing.value !== avg) {
+        await this.updateUserProfileFieldValue(userId, fieldId, { value: avg as UserProfileFieldValue['value'] });
+        await this.createUserProfileAuditLog({
+          userId,
+          organizationId,
+          action: 'field.changed',
+          fieldId,
+          oldValue: existing.value ?? null,
+          newValue: avg != null ? String(avg) : null,
+          changedBy: null,
+          changedByName: 'Автоматизация',
+          metadata: { source: 'automation', reason: 'monthly-average-recalc' },
+        });
+      }
+    } else if (avg != null) {
+      await this.createUserProfileFieldValue({ userId, fieldId, value: avg as InsertUserProfileFieldValue['value'] });
+    }
+    return avg;
+  }
+
+  /**
+   * ctx.users.recalcFieldAverage: принудительный пересчёт среднего за месяц для history-number поля.
+   */
+  async recalcUserFieldAverageFromAutomation(userId: number, fieldCodeOrId: string | number, organizationId: number) {
+    const field = typeof fieldCodeOrId === 'number'
+      ? await this.getUserProfileFieldById(fieldCodeOrId, organizationId)
+      : await this.getUserProfileFieldByCode(String(fieldCodeOrId), organizationId);
+    if (!field) {
+      throw new Error(`Поле профиля "${fieldCodeOrId}" не найдено`);
+    }
+    if (field.type !== 'history-number') {
+      throw new Error(`Пересчёт среднего доступен только для полей типа history-number, у поля "${field.name}" тип ${field.type}`);
+    }
+    const user = await this.getUser(userId);
+    if (!user || user.organizationId !== organizationId) {
+      throw new Error(`Пользователь ${userId} не найден в организации`);
+    }
+    return this.recomputeUserFieldMonthlyAverage(userId, field.id, organizationId);
+  }
+
   async bulkSaveUserProfileFields(
     organizationId: number,
     fieldIdsToDelete: number[],